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Water scarcity occurs when the amount of water withdrawn from lakes, rivers or groundwater is so great that water supplies are no longer adequate to satisfy all human or ecosystem requirements, resulting in increased competition between water users and other demands.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
The Trade Facilitation Programme (TFP) currently includes over 113 Issuing Banks in 26 countries in the EBRD region and more than 800 Confirming Banks worldwide. The event offered the opportunity to review and discuss industry challenges with leading specialists, including regulators and lawyers. It also featured the award ceremony for The Most Active EBRD TFP banks and Best Transactions of 2014.
The programmes for Saturday 11th August 2001 commenced with a welcome from First Manchester and the Bolton Bus Group, and a reminder that Crook Street Depot (out of bounds) and Moor Lane and the surrounding streets were fully operational, Take Care and Be Aware at all times, paid credit to all who had moved mountains and molehills to make the day possible including GMPTE for allowing the event to take place and relaxing the vehicle age/type rules for certain tendered services, details of the day and a timetable of events, a brief history of the Atlantean, some cartoons, a personal reflection, and that some bespoke videos had been produced along with a raffle for a headboard.
Proceeds from the event were going to then named The Imperial Cancer Research Fund.
Swifts car park was closed for the day to allow a static display of visiting Atlanteans, thanks to all who attended.
I ran some 250 copies off, absolutely no idea how many we would need, on the depot printer. Some 2500 B/W and 250 front covers. I was just finishing packing up the sheets in the boxes they came in ready for a mass stapling session at home when I heard someone in the office say, "The printers out of ink, (They were huge!!) I only renewed the cartridges yesterday."
TIME TO DISAPPEAR!!
A ½-hourly shuttle between Moor Lane and the display at Crook Street was operated by Bolton 232.
But of course the star of the day was the last native fleet of GM Standard Atlanteans and they were near the end ......but we mustered 37 I think.
I arranged for all the Atlanteans to be rostered on local services where possible so each one visited Moor Lane Bus Station at least once an hour, sometimes twice.
The success of the day was summed up by a visitors comment in the press - There just seemed to be Atlanteans everywhere and its probably the last time we will ever witness such an event ....
I invited Dave Spencer for the day but he was unable to attend, otherwise engaged, and later told me he bitterly regretted not attending as he had heard that he'd missed a good day....
10 Years On was held on Sunday 21st August 2011 and a few similar programmes were produced. Being a Sunday the normal services were concentrated on the centre island platform on Moor Lane so thanks to TfGM, we were allowed to use the out of use bays for displaying the static visiting vehicles, (Crook Street having closed by this time), some privately owned and those from the Bolton Bus Preservation Group and those from The Selnec Preservation Society. Again thanks to all.
But this time there were no in service GM Standards and no CRUK participation.
A free hourly service Blackhorse Street to Bobs Smithy Pub on the peak of Chorley Old Road was run, so a much lower key day.
It all seems so long ago now, 21 years in the case of the native fleet......
Glaciers and ice caps cover about 10% of the world’s landmass. These are concentrated in Greenland and Antarctica and contain 70% of the world’s freshwater. Unfortunately, most of these resources are located far from human habitation and are not readily accessible for human use. According to the United States Geological Survey (USGS), 96% of the world’s frozen freshwater is at the South and North Poles, with the remaining 4% spread over 550,000 km2 of glaciers and mountainous icecaps measuring about 180,000 km3 (UNEP, 1992; Untersteiner, 1975; WGMS, 1998, 2002). Groundwater is by far the most abundant and readily available source of freshwater, followed by lakes, reservoirs, rivers and wetlands. Analysis indicates that: - Groundwater represents over 90% of the world’s readily available freshwater resource (Boswinkel, 2000). About 1.5 billion people depend upon groundwater for their drinking water supply (WRI, UNEP, UNDP, World Bank, 1998). - The amount of groundwater withdrawn annually is roughly estimated at 600-700 km3, representing about 20% of global water withdrawals (WMO, 1997). - A comprehensive picture of the quantity of groundwater withdrawn and consumed annually around the world does not exist. Most freshwater lakes are located at high altitudes, with nearly 50% of the world’s lakes located in Canada alone. Many lakes, especially those in arid regions, become salty through evaporation, which concentrates the inflowing salts. The Caspian Sea, the Dead Sea, and the Great Salt Lake are among the world’s major salt lakes. Rivers form a hydrologic mosaic, with an estimated 263 international river basins covering 45.3% (231,059,898 km2) of the earth’s land surface, excluding Antarctica (UNEP, Oregon State University et al., in preparation). The total volume of water in the world’s rivers is estimated at 2,115 km3 (Groombridge and Jenkins, 1998).
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz
The availability of oxygen is one of the most important indicators of the condition of a water body, because dissolved oxygen, or DO, (the amount of oxygen dissolved in water) is necessary for most aquatic organisms, including fish and invertebrates. Some species have very defined lower limits of DO that they can tolerate. Increases in DO can indicate improvements in water quality, such as has occurred in many parts of the world in the last 30 years. Over the two decades, rivers in Europe and Australasia have shown a significant statistical reduction in biological oxygen demand concentrations, (an indicator of the organic pollution of freshwater), suggesting positive trends. There was no change in the assessed results for North America, although there was a tighter data distribution, indicating the data available for 1991-2000 is less variable than for previous periods.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
San Francisco Ballet: Programme A - Shostakovich Trilogy
San Francisco Ballet returns to the UK for the first time since 2012 with a programme of new works. Over the course of two weeks at Sadler’s Wells SF Ballet artistic director Helgi Tomasson showcases his dancers in four separate programmes that feature 10 dance works - all UK premieres and all specially commissioned for SF Ballet. 29 May to 8 June 2019.
Programme A - Shostakovich Trilogy
Symphony #9, Chamber Symphony, Piano Concerto #1
Composer: Dmitri Shostakovich
Choreographer: Alexei Ratmansky
Staged by Nancy Raffa
Scenic Designer: George Tsypin
Costume Designer: Keso Dekker
Lighting: Jennifer Tipton
Conductor: Martin West
Orchestra Royal Ballet Sinfonia
Dancers Symphony #9: Jennifer Stahl, Aaron Robison, Dores Andre, Joseph Walsh, Wei Wang, Ludmila Bizalion, Isabella DeVivo, Jahna Frantziskonis, Koto Ishihara, Blake Johnston, Julia Rowe, Maggie Weirich, Ami Yuki, Sean Bennett, Max Cauthorn, Diego Cruz, Benjamin Freemantle, Alexander Reneff-Olson, Henry Sidford, Mingxuan Wang, Lonnie Weeks
Dancers Chamber Symphony: Ulrik Birkkjaer, Sasha De Sola, Mathilde Froustey, Yuan Yuan Tan, Megan Amanda Ehrlich, Ellen Rose Hummel, Madison Keesler, Elizabeth Matter, Kimberly Mare Olivier, Lauren Parrott, Emma Rubinowitz, Maggie Weirich, Max Cauthorn, Cavan Conley, Sean Orza, Steven Morse
Dancers Piano Concerto #1: Sofiane Sylve, Carlo Di Lanno, Wona Park, Angelo Greco, Ludmila Bizalion, Thamires Chuvas, Koto Ishihara, Elizabeth Powell, Miranda Silveira, Ami Yuki, Alexandre Cagnat, Diego Cruz, Steven Morse, Nathaniel Remez, John-Paul Simoens, Mingxuan Wang
photo - © Foteini Christofilopoulou | All rights reserved | For all usage/licensing enquiries please contact www.foteini.com
Drawing on research and statistical data since 2000, experts at the University of British Columbia in Vancouver have shown that catches reported by China are largely overestimated, concealing a substantial decline in world catches since the middle of the 1980s.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
Global water type by percentage. Estimates of global water resources based on several different calculation methods have produced varied estimates. Shiklomanov in Gleick (1993) estimated that: - The total volume of water on earth is 1.4 billion km3. - The volume of freshwater resources is 35 million km3, or about 2.5% of the total volume. Of these, 24 million km3 or 68.9% is in the form of ice and permanent snow cover in mountainous regions, and in the Antarctic and Arctic regions. - Some 8 million km3 or 30.8% is stored underground in the form of groundwater (shallow and deep groundwater basins up to 2,000 metres, soil moisture, swamp water and permafrost). This constitutes about 97% of all the freshwater potentially available for human use. - Freshwater lakes and rivers contain an estimated 105,000 km3 or 0.3% of the world’s freshwater. - The total usable freshwater supply for ecosystems and humans is 200,000 km3 of water, which is less than 1% of all freshwater resources, and only 0.01% of all the water on earth (Gleick, 1993; Shiklomanov, 1999).
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
Welcome to the swinging sixties. Programme still sixpence cheaper than for the 1951 Lancs Grand National.
Alkalinity is commonly used to indicate a water body’s capacity to buffer against acidity; that is, the ability to resist, or dampen, changes in pH. Thus, alkaline compounds in water, such as bicarbonates, carbonates, and hydroxides, lower the acidity of the water and increase the pH. Alkalinity (as CaCO3) was analysed for all sampling stations available at the continental level. Concentrations remained reasonably steady between the two decades for Africa, Asia, South America and Australasia, but significant increases were noted for European and North American rivers, which may indicate a shift towards reduced acidic impacts at the continental scale. Overall, during the last 30 years , alkalinity has decreased in North America and Europe, but has significantly increased in Asia. Examination of the outflow stations in 82 monitored river basins indicate a decrease in bicarbonate concentrations between the two decades , in the northern latitudes, including North America, Europe and Asia. For the period 1976-1990, European rivers displayed the highest concentrations of calcium at a continental level, with concentrations varying between 2 mg and 50 mg per litre for major rivers. Comparing the two decades, observations of surface water showed an increase in calcium concentrations in the Laurentian shield region of North America, and in the rivers of the north central European region.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
A 4 page Programme from 1945 for this war time Cup Final. Chelsea winning 2-0 in front of a gate of 90,000.
From the Official Programme
THE NATIONAL COMMEMORATION OF THE CENTENARY OF THE GALLIPOLI CAMPAIGN AND ANZAC DAY AT THE CENOTAPH, WHITEHALL, LONDON
HOSTED BY THE GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND IN PARTNERSHIP WITH THE HIGH COMMISSIONS OF AUSTRALIA AND NEW ZEALAND IN LONDON
On 25 April 1915 Allied soldiers landed on the Gallipoli peninsula in Turkey in one of the most ambitious amphibious assaults in history.
More than 550,000 soldiers from Britain, Ireland, France, Australia, New Zealand, the Indian sub-continent, Canada and Sri Lanka waged this historic campaign, including 400,000 from Britain alone. 58,000 Allied servicemen and 87,000 from Turkey died in this campaign.
ANZAC Day was established by Australia and New Zealand as an annual day of commemoration to remember their servicemen who died in Gallipoli. The first ANZAC Day march in London took place on 25 April 1916. ANZAC Day has been commemorated in London on 25 April every year since then.
ORDER OF SERVICE
11:00 Big Ben strikes the hour
Two minutes’ silence
The Last Post Sounded by buglers from the Band of Her Majesty’s Royal Marines
Reading by Michael Toohey, age 22, descendant of Private Thomas Toohey, Royal Dublin Fusiliers, killed in action at V beach on 25 April 1915, aged 22.
The Fallen by Laurence Binyon, 4th verse, published in The Times on 21 September 1914
They shall grow not old, as we that are left grow old: age shall not weary them nor the years condemn. At the going down of the sun and in the morning, we will remember them.
All: We will remember them.
Laying of Wreaths
After Her Majesty The Queen has laid a wreath the Massed Bands will play Elegy (1915) – in memoriam Rupert Brooke – by F S Kelly (1881–1916) and Largo by G F Handel (1685–1759).
Her Majesty The Queen lays the first wreath followed by:
The Right Honourable David Cameron, Prime Minister Great Britain and Northern Ireland
Senator the Honourable George Brandis QC, Attorney General, Commonwealth of Australia
The Right Honourable David Carter MP, 29th Speaker of the New Zealand House of Representatives
A representative of the Republic of Turkey
The Right Honourable Nick Clegg, Deputy Prime Minister Great Britain and Northern Ireland
The Right Honourable Michael Fallon, Secretary of State for Defence
The Right Honourable Sajid Javid, Secretary of State for Culture, Media and Sport
The Right Honourable Hugo Swire, Minister of State, Foreign and Commonwealth Office
Helen Grant, Minister for the First World War Centenary
Dr Andrew Murrison, Prime Minister’s Special Representative for the First World War Centenary
The Right Honourable Ed Miliband, Leader of Her Majesty’s Opposition
Keith Brown MSP, Cabinet Secretary for Infrastructure, Investment and Cities, Scottish Government
The Right Honourable Carwyn Jones, First Minister, Welsh Government
A representative of the Northern Ireland Executive
Lieutenant General Sir Gerry Berragan KBE CB, Adjutant General
Air Marshal Dick Garwood CB CBE DFC, Director General Defence Safety Authority
Vice Admiral Sir Philip Jones KCB, Fleet Commander and Deputy Chief of Naval Staff
Lieutenant General John Caligari AO DSC, Chief Capability Development Group, Australian Defence Force
Brigadier Antony Hayward ONZ, Head New Zealand Defence Staff, New Zealand High Commission
Colonel Ömer Özkan, Air Attaché, Embassy of Turkey
A representative of the People’s Republic of Bangladesh
Steven Vandeput, Minister of Defence of Belgium
His Excellency Gordon Campbell, High Commissioner for Canada
A representative of the Republic of France
A representative of the Federal Republic of Germany
His Excellency Dr Ranjan Mathai, High Commissioner for the Republic of India
His Excellency Daniel Mulhall, Ambassador of Ireland to the United Kingdom
His Excellency The Honourable Joseph Muscat, Prime Minister of the Republic of Malta
A representative of the Federal Democratic Republic of Nepal
His Excellency Muhammad Nawaz Sharif, Prime Minister of the Islamic Republic of Pakistan
His Excellency The Honourable Peter O’Neill CMG MP, Prime Minister of the Independent State of Papua New Guinea
His Excellency Mr Obed Mlaba, High Commissioner for the Republic of South Africa
A representative of the Democratic Socialist Republic of Sri Lanka
Sonata Tupou, Acting High Commissioner for the Kingdom of Tonga
The Honourable Bronwyn Bishop MP, Speaker to the Australian House of Representatives
Bill Muirhead AM, Agent-General for South Australia
Ken Smith, Trade Commissioner for Europe and Agent General for UK at Trade & Investment Queensland
Kevin Skipworth CVO, Agent-General for Western Australia
Ian Matterson, Representative of the Premier of Tasmania
Mathew Erbs, on behalf of the Agent-General for Victoria
Gary Dunn, Deputy Commonwealth Secretary General
General The Lord Richards of Herstmonceux GCB CBE DSO, Deputy Grand President, British Commonwealth Ex-Servicemen’s League
Vice Admiral Peter Wilkinson CB CVO, National President, the Royal British Legion
Right Honourable The Viscount Slim OBE DL, Returned and Services League of Australia
Colonel Andrew Martin ONZM, Royal New Zealand Returned and Services Association
Lindsay Birrell, CEO, London Legacy
Captain Christopher Fagan DL, Chairman, The Gallipoli Association
The Honourable Mrs Ros Kelly AO, Commissioner, Commonwealth War Graves Commission
Sue Pillar, Director of Volunteer Support, Soldiers’ And Sailors’ Families Association (SSAFA)
Captain Jim Conybeare, Master, The Honourable Company of Master Mariners
Lyn Hopkins, Director General, The Victoria League for Commonwealth Friendship
Sir Anthony Figgis KCVO CMG, Chairman, Royal Overseas League
Reveille sounded by buglers from the Band of Her Majesty’s Royal Marines
THE PRAYERS
Prayer by The Venerable Ian Wheatley QHC, Royal Navy Chaplain of the Fleet
God our Father, we come together today to honour all those who gave themselves with great courage in service and sacrifice for their country in the Gallipoli Campaign. We pray that their example may continue to inspire us to strive for the common good, that we may build up the harmony and freedom for which they fought and died.
Help us O Lord, to lift our eyes above the torment of this broken world, and strengthen our resolve to work for peace and justice, and for the relief of want and suffering. As we honour the past, may we put our faith in your future; for you are the source of life and hope, now and forever. Amen.
Hymn led by the Choirs of Chelmsford Cathedral and accompanied by the Massed Bands
I Vow To Thee My Country
All:
I vow to thee, my country, all earthly things above,
Entire and whole and perfect, the service of my love;
The love that asks no question, the love that stands the test,
That lays upon the altar the dearest and the best;
The love that never falters, the love that pays the price,
The love that makes undaunted the final sacrifice.
I heard my country calling, away across the sea,
Across the waste of waters, she calls and calls to me.
Her sword is girded at her side, her helmet on her head,
And around her feet are lying the dying and the dead;
I hear the noise of battle, the thunder of her guns;
I haste to thee, my mother, a son among thy sons.
And there’s another country, I’ve heard of long ago,
Most dear to them that love her, most great to them that know;
We may not count her armies, we may not see her King;
Her fortress is a faithful heart, her pride is suffering;
And soul by soul and silently her shining bounds increase,
And her ways are ways of gentleness, and all her paths are peace.
Prayer read by Grace van Gageldonk (14 years old) from Australia
God of compassion and mercy, we remember with thanksgiving and sorrow, those whose lives in world wars and conflicts past and present, have been
given and taken away.
Enfold in your love, all who in bereavement, disability and pain, continue to suffer the consequences of fighting and terror; and guide and protect all those who support and sustain them. Amen.
National anthem Advance Australia Fair
Led by the Choirs of Chelmsford Cathedral and accompanied by the Massed Bands
Australians all let us rejoice,
For we are young and free;
We’ve golden soil and wealth for toil,
Our home is girt by sea;
Our land abounds in nature’s gifts
Of beauty rich and rare;
In history’s page, let every stage
Advance Australia Fair.
In joyful strains then let us sing,
‘Advance Australia Fair’.
Prayer read by Kathryn Cooper (11 years old) from New Zealand
God of hope, the source of peace and the refuge of all in distress, we remember those you have gathered from the storm of war into the everlasting peace of your presence; may that same peace calm our fears, bring reconciliation and justice to all peoples, and establish lasting harmony among the nations.
We pray for all members of the armed forces who strive for peace and fight for justice today; bless and keep their families and friends at home awaiting their return. Help us, who today remember the cost of war, to work for a better tomorrow, and bring us all, in the end, to the peace of your presence; through Jesus Christ our Lord. Amen.
National anthem God Defend New Zealand
Led by the Choirs of Chelmsford Cathedral and accompanied by the Massed Bands
E Ihowā _Atua,
O ngā _iwi mātou rā
Āta whakarangona;
Me aroha noa
Kia hua ko te pai;
Kia tau tō _atawhai;
Manaakitia mai
Aotearoa
God of Nations at Thy feet,
in the bonds of love we meet,
hear our voices, we entreat,
God defend our free land.
Guard Pacific’s triple star
from the shafts of strife and war,
make her praises heard afar,
God defend New Zealand.
Reading Atatürk’s message to bereaved pilgrims, 1934, read by Ecenur Bilgiç (14 years old) from Turkey
Those heroes that shed their blood and lost their lives…
You are now lying in the soil of a friendly country. Therefore rest in peace.
There is no difference between the Johnnies and the Mehmets to us where they lie side by side here in this country of ours…
You, the mothers, who sent their sons from faraway countries, wipe away your tears; your sons are now lying in our bosom and are in peace, after having lost their lives on this land they have become our sons as well.
National anthem İstiklal Marşı (The Independence March)
Led by Burak Gülşen from Turkey, accompanied by the Massed Bands
Korkma, sönmez bu şafaklarda yüzen al sancak;
Sönmeden yurdumun üstünde tüten en son ocak.
O benim milletimin yıldızıdır, parlayacak;
O benimdir, o benim milletimindir ancak.
Çatma, kurban olayım, çehreni ey nazlı hilal!
Kahraman ırkıma bir gül! Ne bu şiddet, bu celal?
Sana olmaz dökülen kanlarımız sonra helal…
Hakkıdır, Hakk’a tapan, milletimin istiklal!
Fear not! For the crimson flag that flies at this dawn, shall not fade,
As long as the last fiery hearth that is ablaze in my country endures.
For that is the star of my nation, which will forever shine;
It is mine; and solely that of my valiant nation.
Frown not, I beseech you, oh thou coy crescent!
Come smile upon my heroic race! Why this rage, this fury?
The blood we shed for you shall not be blessed otherwise;
For independence is the absolute right of my God-worshipping nation.
Remembering Gallipoli a commemoration created by Michael McDermott
Music composed by Michael McDermott
Reading by James McDermott (17 years old) from the United Kingdom
The Attack at Dawn (May, 1915) by Leon Maxwell Gellert (1892–1977)
‘At every cost,’ they said, ‘it must be done.’
They told us in the early afternoon.
We sit and wait the coming of the sun
We sit in groups, — grey groups that watch the moon.
We stretch our legs and murmur half in sleep
And touch the tips of bayonets and yarn.
Our hands are cold. They strangely grope and creep,
Tugging at ends of straps. We wait the dawn!
Some men come stumbling past in single file.
And scrape the trench’s side and scatter sand.
They trip and curse and go. Perhaps we smile.
We wait the dawn! … The dawn is close at hand!
A gentle rustling runs along the line.
‘At every cost,’ they said, ‘it must be done.’
A hundred eyes are staring for the sign.
It’s coming! Look! … Our God’s own laughing sun!
Closing prayers by The Venerable Ian Wheatley QHC, Royal Navy Chaplain of the Fleet
Eternal God,
from whom all thoughts of truth and peace proceed;
Kindle, we pray, in the hearts of all, the true love of peace
and guide with your pure and peaceable wisdom
those who take counsel for the nations of the world,
that in tranquillity your kingdom may go forward,
and all people may spend their days in security, freedom and peace;
through Jesus Christ our Lord. Amen.
Merciful God
we offer to you the fears in us
that have not yet been cast out by love:
may we accept the hope you have
placed in the hearts of all people,
and live lives of justice, courage and mercy;
through Jesus Christ our Lord. Amen.
The Lord’s Prayer
All:
Our Father, who art in heaven,
hallowed be thy name;
thy kingdom come, thy will be done;
on earth as it is in heaven.
Give is this day our daily bread.
And forgive is our trespasses,
And forgive us our trespasses,
as we forgive those that trespass against us.
And lead is not into temptation;
but deliver us from evil.
For thine is the kingdom,
the power and the glory,
fro ver and ever. Amen.
The Blessing
God grant to the living grace, to the departed rest,
to the Church, the Queen, the Commonwealth and all people,
unity, peace and concord,
and to us and all God’s servants, life everlasting;
and the blessing of God almighty,
the Father, the Son and the Holy Spirit,
be among you and remain with you always. Amen.
National anthem God Save the Queen
Led by the Choirs of Chelmsford Cathedral and accompanied by the Massed Bands
God save our gracious Queen,
Long live our noble Queen.
God save the Queen!
Send her victorious,
Happy and glorious,
Long to reign over us;
God save the Queen!
They Are At Rest by Sir Edward Elgar (1857–1934), sung by the Choirs of Chelmsford Cathedral (unaccompanied)
THE MARCH PAST
Contingents from:
The Royal Navy
HMS QUEEN ELIZABETH
The Fleet Air Arm
The Submarine Service
Hybrid (HMS OCEAN, HMS ALBION,
Britannia Royal Naval College)
The Royal Marines
Maritime Reserves (Royal Navy
and Royal Marines Reserves)
Representatives from the Armed Forces of other countries who fought at Gallipoli
invited to join the March Past:
Australia
New Zealand
Canada
Turkey
India
Germany
Ireland
France
Bangladesh
Pakistan
South Africa
Papua New Guinea
Tonga
The Gallipoli Association
Naval Services Associations
The Royal Naval Association
The Royal Marines Association
Army Units and their Associations
The Royal Regiment of Artillery
The Royal Corps of Engineers
The Royal Regiment of Scotland
The Princess of Wales’ Royal Regiment
The Duke of Lancaster’s Regiment
The Royal Regiment of Fusiliers
The Royal Anglian Regiment
The Yorkshire Regiment
The Mercian Regiment
The Royal Welsh
The Royal Irish Regiment
The Royal Gurkha Rifles
The Rifles
The Royal Logistics Corps
The Royal Army Medical Corps
The Royal Army Veterinary Corps
The Royal Yeomanry
The Royal Wessex Yeomanry
The Scottish and North Irish Yeomanry
The London Regiment
Court & City Yeomanry Association
In-Pensioners of the Royal Hospital Chelsea
The Turkish Air Force Band plays Marche Mustafa Kemal Atatürk by Fazıl Çağlayan
Followed by: Descendants of those whose ancestors were involved in the Gallipoli campaign and others who march past the Cenotaph every year to commemorate Anzac Day.
The International Space Station (ISS) is a space station (habitable artificial satellite) in low Earth orbit. The ISS programme is a joint project between five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada).[6][7] The ownership and use of the space station is established by intergovernmental treaties and agreements.[8]
The ISS serves as a microgravity and space environment research laboratory in which crew members conduct experiments in biology, human biology, physics, astronomy, meteorology, and other fields.[9][10][11] The station is suited for the testing of spacecraft systems and equipment required for missions to the Moon and Mars.[12] The ISS maintains an orbit with an average altitude of 400 kilometres (250 mi) by means of reboost manoeuvres using the engines of the Zvezda module or visiting spacecraft.[13] It circles the Earth in roughly 92 minutes and completes 15.5 orbits per day.[14]
The station is divided into two sections, the Russian Orbital Segment (ROS), which is operated by Russia, and the United States Orbital Segment (USOS), which is shared by many nations. Roscosmos has endorsed the continued operation of ISS through 2024,[15] but had previously proposed using elements of the Russian segment to construct a new Russian space station called OPSEK.[16]As of December 2018, the station is expected to operate until 2030.[17]
The first ISS component was launched in 1998, with the first long-term residents arriving on 2 November 2000.[18] Since then, the station has been continuously occupied for 18 years and 359 days.[19] This is the longest continuous human presence in low Earth orbit, having surpassed the previous record of 9 years and 357 days held by Mir. The latest major pressurised module was fitted in 2011, with an experimental inflatable space habitat added in 2016. Development and assembly of the station continues, with several major new Russian elements scheduled for launch starting in 2020. The ISS is the largest human-made body in low Earth orbit and can often be seen with the naked eye from Earth.[20][21] The ISS consists of pressurised habitation modules, structural trusses, solar arrays, radiators, docking ports, experiment bays and robotic arms. Major ISS modules have been launched by Russian Proton and Soyuz rockets and US Space Shuttles.[22]
The ISS is the ninth space station to be inhabited by crews, following the Soviet and later Russian Salyut, Almaz, and Mir stations as well as Skylab from the US. The station is serviced by a variety of visiting spacecraft: the Russian Soyuz and Progress, the US Dragon and Cygnus, the Japanese H-II Transfer Vehicle,[6] and the European Automated Transfer Vehicle. The Dragon spacecraft allows the return of pressurised cargo to Earth (downmass), which is used for example to repatriate scientific experiments for further analysis. The Soyuz return capsule has minimal downmass capability next to the astronauts.
The ISS has been visited by astronauts, cosmonauts and space tourists from 18 different nations. As of 14 March 2019, 236 people from 18 countries had visited the space station, many of them multiple times. The United States sent 149 people, Russia sent 47, nine were Japanese, eight were Canadian, five were Italian, four were French, three were German, and there were one each from Belgium, Brazil, Denmark, Kazakhstan, Malaysia, the Netherlands, South Africa, United Arab Emirates, South Korea, Spain, Sweden, and the United Kingdom.[23]
Contents
1 Purpose
2 Manufacturing
3 Assembly
4 Structure
5 Systems
6 Operations
7 Mission controls
8 Fleet operations
9 Life aboard
10 Crew health and safety
11 Orbital debris threats
12 End of mission
13 Cost
14 International co-operation
15 Sightings from Earth
16 See also
17 Notes
18 References
19 Further reading
20 External links
Purpose
The ISS was originally intended to be a laboratory, observatory, and factory while providing transportation, maintenance, and a low Earth orbit staging base for possible future missions to the Moon, Mars, and asteroids. However, not all of the uses envisioned in the initial Memorandum of Understanding between NASA and Roskosmos have come to fruition.[24] In the 2010 United States National Space Policy, the ISS was given additional roles of serving commercial, diplomatic[25] and educational purposes.[26]
Scientific research
Main article: Scientific research on the International Space Station
Comet Lovejoy photographed by Expedition 30 commander Dan Burbank
Expedition 8 Commander and Science Officer Michael Foale conducts an inspection of the Microgravity Science Glovebox
Fisheye view of several labs
CubeSats are deployed by the NanoRacks CubeSat Deployer
The ISS provides a platform to conduct scientific research, with power, data, cooling, and crew available to support experiments. Small uncrewed spacecraft can also provide platforms for experiments, especially those involving zero gravity and exposure to space, but space stations offer a long-term environment where studies can be performed potentially for decades, combined with ready access by human researchers.[27][28]
The ISS simplifies individual experiments by allowing groups of experiments to share the same launches and crew time. Research is conducted in a wide variety of fields, including astrobiology, astronomy, physical sciences, materials science, space weather, meteorology, and human research including space medicine and the life sciences.[9][10][11][29][30] Scientists on Earth have timely access to the data and can suggest experimental modifications to the crew. If follow-on experiments are necessary, the routinely scheduled launches of resupply craft allows new hardware to be launched with relative ease.[28] Crews fly expeditions of several months' duration, providing approximately 160 person-hours per week of labour with a crew of 6. However, a considerable amount of crew time is taken up by station maintenance.[9][31]
Perhaps the most notable ISS experiment is the Alpha Magnetic Spectrometer (AMS), which is intended to detect dark matter and answer other fundamental questions about our universe and is as important as the Hubble Space Telescope according to NASA. Currently docked on station, it could not have been easily accommodated on a free flying satellite platform because of its power and bandwidth needs.[32][33] On 3 April 2013, scientists reported that hints of dark matter may have been detected by the AMS.[34][35][36][37][38][39] According to the scientists, "The first results from the space-borne Alpha Magnetic Spectrometer confirm an unexplained excess of high-energy positrons in Earth-bound cosmic rays."
The space environment is hostile to life. Unprotected presence in space is characterised by an intense radiation field (consisting primarily of protons and other subatomic charged particles from the solar wind, in addition to cosmic rays), high vacuum, extreme temperatures, and microgravity.[40] Some simple forms of life called extremophiles,[41] as well as small invertebrates called tardigrades[42] can survive in this environment in an extremely dry state through desiccation.
Medical research improves knowledge about the effects of long-term space exposure on the human body, including muscle atrophy, bone loss, and fluid shift. This data will be used to determine whether high duration human spaceflight and space colonisation are feasible. As of 2006, data on bone loss and muscular atrophy suggest that there would be a significant risk of fractures and movement problems if astronauts landed on a planet after a lengthy interplanetary cruise, such as the six-month interval required to travel to Mars.[43][44]
Medical studies are conducted aboard the ISS on behalf of the National Space Biomedical Research Institute (NSBRI). Prominent among these is the Advanced Diagnostic Ultrasound in Microgravity study in which astronauts perform ultrasound scans under the guidance of remote experts. The study considers the diagnosis and treatment of medical conditions in space. Usually, there is no physician on board the ISS and diagnosis of medical conditions is a challenge. It is anticipated that remotely guided ultrasound scans will have application on Earth in emergency and rural care situations where access to a trained physician is difficult.[45][46][47]
Free fall
ISS crew member storing samples
A comparison between the combustion of a candle on Earth (left) and in a free fall environment, such as that found on the ISS (right)
Gravity at the altitude of the ISS is approximately 90% as strong as at Earth's surface, but objects in orbit are in a continuous state of freefall, resulting in an apparent state of weightlessness.[48] This perceived weightlessness is disturbed by five separate effects:[49]
Drag from the residual atmosphere.
Vibration from the movements of mechanical systems and the crew.
Actuation of the on-board attitude control moment gyroscopes.
Thruster firings for attitude or orbital changes.
Gravity-gradient effects, also known as tidal effects. Items at different locations within the ISS would, if not attached to the station, follow slightly different orbits. Being mechanically interconnected these items experience small forces that keep the station moving as a rigid body.
Researchers are investigating the effect of the station's near-weightless environment on the evolution, development, growth and internal processes of plants and animals. In response to some of this data, NASA wants to investigate microgravity's effects on the growth of three-dimensional, human-like tissues, and the unusual protein crystals that can be formed in space.[10]
Investigating the physics of fluids in microgravity will provide better models of the behaviour of fluids. Because fluids can be almost completely combined in microgravity, physicists investigate fluids that do not mix well on Earth. In addition, examining reactions that are slowed by low gravity and low temperatures will improve our understanding of superconductivity.[10]
The study of materials science is an important ISS research activity, with the objective of reaping economic benefits through the improvement of techniques used on the ground.[50] Other areas of interest include the effect of the low gravity environment on combustion, through the study of the efficiency of burning and control of emissions and pollutants. These findings may improve current knowledge about energy production, and lead to economic and environmental benefits. Future plans are for the researchers aboard the ISS to examine aerosols, ozone, water vapour, and oxides in Earth's atmosphere, as well as cosmic rays, cosmic dust, antimatter, and dark matter in the universe.[10]
Exploration
A 3D plan of the Russia-based MARS-500 complex, used for ground-based experiments which complement ISS-based preparations for a human mission to Mars
The ISS provides a location in the relative safety of Low Earth Orbit to test spacecraft systems that will be required for long-duration missions to the Moon and Mars. This provides experience in operations, maintenance as well as repair and replacement activities on-orbit, which will be essential skills in operating spacecraft farther from Earth, mission risks can be reduced and the capabilities of interplanetary spacecraft advanced.[12] Referring to the MARS-500 experiment, ESA states that "Whereas the ISS is essential for answering questions concerning the possible impact of weightlessness, radiation and other space-specific factors, aspects such as the effect of long-term isolation and confinement can be more appropriately addressed via ground-based simulations".[51] Sergey Krasnov, the head of human space flight programmes for Russia's space agency, Roscosmos, in 2011 suggested a "shorter version" of MARS-500 may be carried out on the ISS.[52]
In 2009, noting the value of the partnership framework itself, Sergey Krasnov wrote, "When compared with partners acting separately, partners developing complementary abilities and resources could give us much more assurance of the success and safety of space exploration. The ISS is helping further advance near-Earth space exploration and realisation of prospective programmes of research and exploration of the Solar system, including the Moon and Mars."[53] A crewed mission to Mars may be a multinational effort involving space agencies and countries outside the current ISS partnership. In 2010, ESA Director-General Jean-Jacques Dordain stated his agency was ready to propose to the other four partners that China, India and South Korea be invited to join the ISS partnership.[54] NASA chief Charlie Bolden stated in February 2011, "Any mission to Mars is likely to be a global effort".[55] Currently, US federal legislation prevents NASA co-operation with China on space projects.[56]
Education and cultural outreach
Original Jules Verne manuscripts displayed by crew inside Jules Verne ATV
The ISS crew provides opportunities for students on Earth by running student-developed experiments, making educational demonstrations, allowing for student participation in classroom versions of ISS experiments, and directly engaging students using radio, videolink and email.[6][57] ESA offers a wide range of free teaching materials that can be downloaded for use in classrooms.[58] In one lesson, students can navigate a 3-D model of the interior and exterior of the ISS, and face spontaneous challenges to solve in real time.[59]
JAXA aims to inspire children to "pursue craftsmanship" and to heighten their "awareness of the importance of life and their responsibilities in society."[60] Through a series of education guides, a deeper understanding of the past and near-term future of crewed space flight, as well as that of Earth and life, will be learned.[61][62] In the JAXA Seeds in Space experiments, the mutation effects of spaceflight on plant seeds aboard the ISS is explored. Students grow sunflower seeds which flew on the ISS for about nine months. In the first phase of Kibō utilisation from 2008 to mid-2010, researchers from more than a dozen Japanese universities conducted experiments in diverse fields.[63]
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ESA Astronaut Paolo Nespoli's spoken voice, recorded about the ISS in November 2017, for Wikipedia
Cultural activities are another major objective. Tetsuo Tanaka, director of JAXA's Space Environment and Utilization Center, says "There is something about space that touches even people who are not interested in science."[64]
Amateur Radio on the ISS (ARISS) is a volunteer programme which encourages students worldwide to pursue careers in science, technology, engineering and mathematics through amateur radio communications opportunities with the ISS crew. ARISS is an international working group, consisting of delegations from nine countries including several countries in Europe as well as Japan, Russia, Canada, and the United States. In areas where radio equipment cannot be used, speakerphones connect students to ground stations which then connect the calls to the station.[65]
First Orbit is a feature-length documentary film about Vostok 1, the first crewed space flight around the Earth. By matching the orbit of the International Space Station to that of Vostok 1 as closely as possible, in terms of ground path and time of day, documentary filmmaker Christopher Riley and ESA astronaut Paolo Nespoli were able to film the view that Yuri Gagarin saw on his pioneering orbital space flight. This new footage was cut together with the original Vostok 1 mission audio recordings sourced from the Russian State Archive. Nespoli, during Expedition 26/27, filmed the majority of the footage for this documentary film, and as a result is credited as its director of photography.[66] The film was streamed through the website firstorbit.org in a global YouTube premiere in 2011, under a free licence.[67]
In May 2013, commander Chris Hadfield shot a music video of David Bowie's "Space Oddity" on board the station; the film was released on YouTube.[68] It was the first music video ever to be filmed in space.[69]
In November 2017, while participating in Expedition 52/53 on the ISS, Paolo Nespoli made two recordings (one in English the other in his native Italian) of his spoken voice, for use on Wikipedia articles. These were the first content made specifically for Wikipedia, in space.[70][71]
Manufacturing
Main article: Manufacturing of the International Space Station
ISS module Node 2 manufacturing and processing in the SSPF
Since the International Space Station is a multi-national collaborative project, the components for in-orbit assembly were manufactured in various countries around the world. Beginning in the mid 1990s, the U.S. components Destiny, Unity, the Integrated Truss Structure, and the solar arrays were fabricated at the Marshall Space Flight Center and the Michoud Assembly Facility. These modules were delivered to the Operations and Checkout Building and the Space Station Processing Facility for final assembly and processing for launch.[72]
The Russian modules, including Zarya and Zvezda, were manufactured at the Khrunichev State Research and Production Space Center in Moscow. Zvezda was initially manufactured in 1985 as a component for Mir-2, but was never launched and instead became the ISS Service Module.[73]
The European Space Agency Columbus module was manufactured at the European Space Research and Technology Centre (ESTEC) in the Netherlands, along with many other contractors throughout Europe.[74] The other ESA-built modules - Harmony, Tranquility, the Leonardo MPLM, and the Cupola - were initially manufactured at the Thales Alenia Space factory located at the Cannes Mandelieu Space Center. The structural steel hulls of the modules were transported by aircraft to the Kennedy Space Center SSPF for launch processing.[75]
The Japanese Experiment Module Kibō, was fabricated in various technology manufacturing facilities in Japan, at the NASDA (now JAXA) Tanegashima Space Center, and the Institute of Space and Astronautical Science. The Kibo module was transported by ship and flown by aircraft to the KSC Space Station Processing Facility.[76]
The Mobile Servicing System, consisting of the Canadarm2 and the Dextre grapple fixture, was manufactured at various factories in Canada and the United States under contract by the Canadian Space Agency. The mobile base system, a connecting framework for Canadarm2 mounted on rails, was built by Northrop Grumman.
Assembly
Main articles: Assembly of the International Space Station and List of ISS spacewalks
The assembly of the International Space Station, a major endeavour in space architecture, began in November 1998.[3] Russian modules launched and docked robotically, with the exception of Rassvet. All other modules were delivered by the Space Shuttle, which required installation by ISS and shuttle crewmembers using the Canadarm2 (SSRMS) and extra-vehicular activities (EVAs); as of 5 June 2011, they had added 159 components during more than 1,000 hours of EVA (see List of ISS spacewalks). 127 of these spacewalks originated from the station, and the remaining 32 were launched from the airlocks of docked Space Shuttles.[77] The beta angle of the station had to be considered at all times during construction.[78]
The first module of the ISS, Zarya, was launched on 20 November 1998 on an autonomous Russian Proton rocket. It provided propulsion, attitude control, communications, electrical power, but lacked long-term life support functions. Two weeks later, a passive NASA module Unity was launched aboard Space Shuttle flight STS-88 and attached to Zarya by astronauts during EVAs. This module has two Pressurised Mating Adapter (PMAs), one connects permanently to Zarya, the other allowed the Space Shuttle to dock to the space station. At that time, the Russian station Mir was still inhabited, and the ISS remained uncrewed for two years. On 12 July 2000, Zvezda was launched into orbit. Preprogrammed commands on board deployed its solar arrays and communications antenna. It then became the passive target for a rendezvous with Zarya and Unity: it maintained a station-keeping orbit while the Zarya-Unity vehicle performed the rendezvous and docking via ground control and the Russian automated rendezvous and docking system. Zarya's computer transferred control of the station to Zvezda's computer soon after docking. Zvezda added sleeping quarters, a toilet, kitchen, CO2 scrubbers, dehumidifier, oxygen generators, exercise equipment, plus data, voice and television communications with mission control. This enabled permanent habitation of the station.[79][80]
The first resident crew, Expedition 1, arrived in November 2000 on Soyuz TM-31. At the end of the first day on the station, astronaut Bill Shepherd requested the use of the radio call sign "Alpha", which he and cosmonaut Krikalev preferred to the more cumbersome "International Space Station".[81] The name "Alpha" had previously been used for the station in the early 1990s,[82] and its use was authorised for the whole of Expedition 1.[83] Shepherd had been advocating the use of a new name to project managers for some time. Referencing a naval tradition in a pre-launch news conference he had said: "For thousands of years, humans have been going to sea in ships. People have designed and built these vessels, launched them with a good feeling that a name will bring good fortune to the crew and success to their voyage."[84] Yuri Semenov, the President of Russian Space Corporation Energia at the time, disapproved of the name "Alpha" as he felt that Mir was the first modular space station, so the names "Beta" or "Mir 2" for the ISS would have been more fitting.[83][85][86]
Expedition 1 arrived midway between the flights of STS-92 and STS-97. These two Space Shuttle flights each added segments of the station's Integrated Truss Structure, which provided the station with Ku-band communication for US television, additional attitude support needed for the additional mass of the USOS, and substantial solar arrays supplementing the station's existing 4 solar arrays.[87]
Over the next two year, the station continued to expand. A Soyuz-U rocket delivered the Pirs docking compartment. The Space Shuttles Discovery, Atlantis, and Endeavour delivered the Destiny laboratory and Quest airlock, in addition to the station's main robot arm, the Canadarm2, and several more segments of the Integrated Truss Structure.
The expansion schedule was interrupted by the Space Shuttle Columbia disaster in 2003 and a resulting hiatus in flights. The Space Shuttle was grounded until 2005 with STS-114 flown by Discovery.[88]
Assembly resumed in 2006 with the arrival of STS-115 with Atlantis, which delivered the station's second set of solar arrays. Several more truss segments and a third set of arrays were delivered on STS-116, STS-117, and STS-118. As a result of the major expansion of the station's power-generating capabilities, more pressurised modules could be accommodated, and the Harmony node and Columbus European laboratory were added. These were soon followed by the first two components of Kibō. In March 2009, STS-119 completed the Integrated Truss Structure with the installation of the fourth and final set of solar arrays. The final section of Kibō was delivered in July 2009 on STS-127, followed by the Russian Poisk module. The third node, Tranquility, was delivered in February 2010 during STS-130 by the Space Shuttle Endeavour, alongside the Cupola, followed in May 2010 by the penultimate Russian module, Rassvet. Rassvet was delivered by Space Shuttle Atlantis on STS-132 in exchange for the Russian Proton delivery of the US-funded Zarya module in 1998.[89] The last pressurised module of the USOS, Leonardo, was brought to the station in February 2011 on the final flight of Discovery, STS-133.[90] The Alpha Magnetic Spectrometer was delivered by Endeavour on STS-134 the same year.[91]
As of June 2011, the station consisted of 15 pressurised modules and the Integrated Truss Structure. Five modules are still to be launched, including the Nauka with the European Robotic Arm, the Prichal module, and two power modules called NEM-1 and NEM-2.[92] As of March 2019, Russia's future primary research module Nauka is set to launch in the summer of 2020, along with the European Robotic Arm which will be able to relocate itself to different parts of the Russian modules of the station.[93]
The gross mass of the station changes over time. The total launch mass of the modules on orbit is about 417,289 kg (919,965 lb) (as of 3 September 2011).[94] The mass of experiments, spare parts, personal effects, crew, foodstuff, clothing, propellants, water supplies, gas supplies, docked spacecraft, and other items add to the total mass of the station. Hydrogen gas is constantly vented overboard by the oxygen generators.
The ISS is a third generation[95] modular space station.[96] Modular stations can allow modules to be added to or removed from the existing structure, allowing greater flexibility.
Below is a diagram of major station components. The blue areas are pressurised sections accessible by the crew without using spacesuits. The station's unpressurised superstructure is indicated in red. Other unpressurised components are yellow. The Unity node joins directly to the Destiny laboratory. For clarity, they are shown apart.
Zarya
Zarya as seen by Space Shuttle Endeavour during STS-88
Zarya (Russian: Заря́, lit. 'Dawn'), also known as the Functional Cargo Block or FGB (from the Russian: "Функционально-грузовой блок", lit. 'Funktsionalno-gruzovoy blok' or ФГБ), is the first module of the ISS to be launched.[97] The FGB provided electrical power, storage, propulsion, and guidance to the ISS during the initial stage of assembly. With the launch and assembly in orbit of other modules with more specialized functionality, Zarya is now[when?] primarily used for storage, both inside the pressurized section and in the externally mounted fuel tanks. The Zarya is a descendant of the TKS spacecraft designed for the Russian Salyut program. The name Zarya, which means sunrise,[97] was given to the FGB because it signified the dawn of a new era of international cooperation in space. Although it was built by a Russian company, it is owned by the United States.[98]
Zarya was built from December 1994 to January 1998 at the Khrunichev State Research and Production Space Center (KhSC) in Moscow.[97]
Zarya was launched on 20 November 1998 on a Russian Proton rocket from Baikonur Cosmodrome Site 81 in Kazakhstan to a 400 km (250 mi) high orbit with a designed lifetime of at least 15 years. After Zarya reached orbit, STS-88 launched on 4 December 1998 to attach the Unity module.
Unity
Unity as seen by Space Shuttle Endeavour during STS-88
Main article: Unity (ISS module)
The Unity connecting module, also known as Node 1, is the first U.S.-built component of the ISS. It connects the Russian and United States segments of the station, and is where crew eat meals together.
The module is cylindrical in shape, with six berthing locations (forward, aft, port, starboard, zenith, and nadir) facilitating connections to other modules. Unity measures 4.57 metres (15.0 ft) in diameter, is 5.47 metres (17.9 ft) long, made of steel, and was built for NASA by Boeing in a manufacturing facility at the Marshall Space Flight Center in Huntsville, Alabama. Unity is the first of the three connecting modules; the other two are Harmony and Tranquility.
Unity was carried into orbit as the primary cargo of the Space Shuttle Endeavour on STS-88, the first Space Shuttle mission dedicated to assembly of the station. On 6 December 1998, the STS-88 crew mated the aft berthing port of Unity with the forward hatch of the already orbiting Zarya module. This was the first connection made between two station modules.
Zvezda
Zvezda as seen by Space Shuttle Endeavour during STS-97
Main article: Zvezda (ISS module)
Zvezda (Russian: Звезда́, meaning "star"), Salyut DOS-8, also known as the Zvezda Service Module, is a module of the ISS. It was the third module launched to the station, and provides all of the station's life support systems, some of which are supplemented in the USOS, as well as living quarters for two crew members. It is the structural and functional center of the Russian Orbital Segment, which is the Russian part of the ISS. Crew assemble here to deal with emergencies on the station.[99][100][101]
The basic structural frame of Zvezda, known as "DOS-8", was initially built in the mid-1980s to be the core of the Mir-2 space station. This means that Zvezda is similar in layout to the core module (DOS-7) of the Mir space station. It was in fact labeled as Mir-2 for quite some time in the factory. Its design lineage thus extends back to the original Salyut stations. The space frame was completed in February 1985 and major internal equipment was installed by October 1986.
The rocket used for launch to the ISS carried advertising; it was emblazoned with the logo of Pizza Hut restaurants,[102][103][104] for which they are reported to have paid more than US$1 million.[105] The money helped support Khrunichev State Research and Production Space Center and the Russian advertising agencies that orchestrated the event.[106]
On 26 July 2000, Zvezda became the third component of the ISS when it docked at the aft port of Zarya. (U.S. Unity module had already been attached to the Zarya.) Later in July, the computers aboard Zarya handed over ISS commanding functions to computers on Zvezda.[107]
Destiny
The Destiny module being installed on the ISS
Main article: Destiny (ISS module)
The Destiny module, also known as the U.S. Lab, is the primary operating facility for U.S. research payloads aboard the International Space Station (ISS).[108][109] It was berthed to the Unity module and activated over a period of five days in February, 2001.[110] Destiny is NASA's first permanent operating orbital research station since Skylab was vacated in February 1974.
The Boeing Company began construction of the 14.5-tonne (32,000 lb) research laboratory in 1995 at the Michoud Assembly Facility and then the Marshall Space Flight Center in Huntsville, Alabama.[108] Destiny was shipped to the Kennedy Space Center in Florida in 1998, and was turned over to NASA for pre-launch preparations in August 2000. It launched on 7 February 2001 aboard the Space Shuttle Atlantis on STS-98.[110]
Quest
Quest Joint Airlock Module
Main article: Quest Joint Airlock
The Quest Joint Airlock, previously known as the Joint Airlock Module, is the primary airlock for the ISS. Quest was designed to host spacewalks with both Extravehicular Mobility Unit (EMU) spacesuits and Orlan space suits. The airlock was launched on STS-104 on 14 July 2001. Before Quest was attached, Russian spacewalks using Orlan suits could only be done from the Zvezda service module, and American spacewalks using EMUs were only possible when a Space Shuttle was docked. The arrival of Pirs docking compartment on September 16, 2001 provided another airlock from which Orlan spacewalks can be conducted.[citation needed]
Pirs and Poisk
The Pirs module attached to the ISS.
Poisk after arriving at the ISS on 12 November 2009.
Main articles: Pirs (ISS module) and Poisk (ISS module)
Pirs (Russian: Пирс, lit. 'pier') and Poisk (Russian: По́иск, lit. 'search') are Russian airlock modules, each having 2 identical hatches. An outward-opening hatch on the Mir space station failed after it swung open too fast after unlatching, because of a small amount of air pressure remaining in the airlock.[111] All EVA hatches on the ISS open inwards and are pressure-sealing. Pirs was used to store, service, and refurbish Russian Orlan suits and provided contingency entry for crew using the slightly bulkier American suits. The outermost docking ports on both airlocks allow docking of Soyuz and Progress spacecraft, and the automatic transfer of propellants to and from storage on the ROS.[112]
Pirs was launched on 14 September 2001, as ISS Assembly Mission 4R, on a Russian Soyuz-U rocket, using a modified Progress spacecraft, Progress M-SO1, as an upper stage. Poisk was launched on 10 November 2009[113][114] attached to a modified Progress spacecraft, called Progress M-MIM2, on a Soyuz-U rocket from Launch Pad 1 at the Baikonur Cosmodrome in Kazakhstan.
Harmony
Harmony shown connected to Columbus, Kibo, and Destiny. PMA-2 faces. The nadir and zenith locations are open.
Main article: Harmony (ISS module)
Harmony, also known as Node 2, is the "utility hub" of the ISS. It connects the laboratory modules of the United States, Europe and Japan, as well as providing electrical power and electronic data. Sleeping cabins for four of the six crew are housed here.[115]
Harmony was successfully launched into space aboard Space Shuttle flight STS-120 on October 23, 2007.[116][117] After temporarily being attached to the port side of the Unity node,[118][119] it was moved to its permanent location on the forward end of the Destiny laboratory on November 14, 2007.[120] Harmony added 2,666 cubic feet (75.5 m3) to the station's living volume, an increase of almost 20 percent, from 15,000 cu ft (420 m3) to 17,666 cu ft (500.2 m3). Its successful installation meant that from NASA's perspective, the station was "U.S. Core Complete".
Tranquility
Tranquility in 2011
Main article: Tranquility (ISS module)
Tranquility, also known as Node 3, is a module of the ISS. It contains environmental control systems, life support systems, a toilet, exercise equipment, and an observation cupola.
ESA and the Italian Space Agency had Tranquility built by Thales Alenia Space. A ceremony on November 20, 2009 transferred ownership of the module to NASA.[121] On February 8, 2010, NASA launched the module on the Space Shuttle's STS-130 mission.
Columbus
The Columbus module on the ISS
Main article: Columbus (ISS module)
Columbus is a science laboratory that is part of the ISS and is the largest single contribution to the ISS made by the European Space Agency (ESA).
Like the Harmony and Tranquility modules, the Columbus laboratory was constructed in Turin, Italy by Thales Alenia Space. The functional equipment and software of the lab was designed by EADS in Bremen, Germany. It was also integrated in Bremen before being flown to the Kennedy Space Center (KSC) in Florida in an Airbus Beluga. It was launched aboard Space Shuttle Atlantis on 7 February 2008 on flight STS-122. It is designed for ten years of operation. The module is controlled by the Columbus Control Centre, located at the German Space Operations Centre, part of the German Aerospace Center in Oberpfaffenhofen near Munich, Germany.
The European Space Agency has spent €1.4 billion (about US$2 billion) on building Columbus, including the experiments that will fly in it and the ground control infrastructure necessary to operate them.[122]
Kibō
Kibō Exposed Facility on the right
Main article: Kibo (ISS module)
The Japanese Experiment Module (JEM), nicknamed Kibo (きぼう Kibō, Hope), is a Japanese science module for the ISS developed by JAXA. It is the largest single ISS module, and is attached to the Harmony module. The first two pieces of the module were launched on Space Shuttle missions STS-123 and STS-124. The third and final components were launched on STS-127.[123]
Pressurised Module
Experiment Logistics Module
Exposed Facility
Experiment Logistics Module
Remote Manipulator System
Cupola
The Cupola's windows with shutters open.
Main article: Cupola (ISS module)
The Cupola is an ESA-built observatory module of the ISS. Its name derives from the Italian word cupola, which means "dome". Its seven windows are used to conduct experiments, dockings and observations of Earth. It was launched aboard Space Shuttle mission STS-130 on 8 February 2010 and attached to the Tranquility (Node 3) module. With the Cupola attached, ISS assembly reached 85 percent completion. The Cupola's central window has a diameter of 80 cm (31 in).[124]
Rassvet
Rassvet as seen from the Cupola module during STS-132 with a Progress in the lower right
Main article: Rassvet (ISS module)
Rassvet (Russian: Рассве́т; lit. "dawn"), also known as the Mini-Research Module 1 (MRM-1) (Russian: Малый исследовательский модуль, МИМ 1) and formerly known as the Docking Cargo Module (DCM), is a component of the ISS. The module's design is similar to the Mir Docking Module launched on STS-74 in 1995. Rassvet is primarily used for cargo storage and as a docking port for visiting spacecraft. It was flown to the ISS aboard Space Shuttle Atlantis on the STS-132 mission on May 14, 2010,[125] and was connected to the ISS on May 18.[126] The hatch connecting Rassvet with the ISS was first opened on May 20.[127] On 28 June 2010, the Soyuz TMA-19 spacecraft performed the first docking with the module.[128]
Leonardo
Leonardo Permanent Multipurpose Module
Main article: Leonardo (ISS module)
The Leonardo Permanent Multipurpose Module (PMM) is a module of the ISS. It was flown into space aboard the Space Shuttle on STS-133 on 24 February 2011 and installed on 1 March. Leonardo is primarily used for storage of spares, supplies and waste on the ISS, which was until then stored in many different places within the space station. The Leonardo PMM was a Multi-Purpose Logistics Module (MPLM) before 2011, but was modified into its current configuration. It was formerly one of three MPLM used for bringing cargo to and from the ISS with the Space Shuttle. The module was named for Italian polymath Leonardo da Vinci.
Bigelow Expandable Activity Module
Progression of expansion of BEAM
Main article: Bigelow Expandable Activity Module
The Bigelow Expandable Activity Module (BEAM) is an experimental expandable space station module developed by Bigelow Aerospace, under contract to NASA, for testing as a temporary module on the ISS from 2016 to at least 2020. It arrived at the ISS on 10 April 2016,[129] was berthed to the station on 16 April, and was expanded and pressurized on 28 May 2016.
International Docking Adapter
IDA-1 upright
Main article: International Docking Adapter
The International Docking Adapter (IDA) is a spacecraft docking system adapter developed to convert APAS-95 to the NASA Docking System (NDS)/International Docking System Standard (IDSS). An IDA is placed on each of the ISS' two open Pressurized Mating Adapters (PMAs), both of which are connected to the Harmony module.
IDA-1 was lost during the launch failure of SpaceX CRS-7 on 28 June 2015.[130][131][132]
IDA-2 was launched on SpaceX CRS-9 on 18 July 2016.[133] It was attached and connected to PMA-2 during a spacewalk on 19 August 2016.[134] First docking was achieved with the arrival of Crew Dragon Demo-1 on 3 March 2019. [135]
IDA-3 was launched on the SpaceX CRS-18 mission in July 2019.[136] IDA-3 is constructed mostly from spare parts to speed construction.[137] It was attached and connected to PMA-3 during a spacewalk on 21 August 2019. [138]
Unpressurised elements
ISS Truss Components breakdown showing Trusses and all ORUs in situ
The ISS has a large number of external components that do not require pressurisation. The largest of these is the Integrated Truss Structure (ITS), to which the station's main solar arrays and thermal radiators are mounted.[139] The ITS consists of ten separate segments forming a structure 108.5 m (356 ft) long.[3]
The station was intended to have several smaller external components, such as six robotic arms, three External Stowage Platforms (ESPs) and four ExPRESS Logistics Carriers (ELCs).[140][141] While these platforms allow experiments (including MISSE, the STP-H3 and the Robotic Refueling Mission) to be deployed and conducted in the vacuum of space by providing electricity and processing experimental data locally, their primary function is to store spare Orbital Replacement Units (ORUs). ORUs are parts that can be replaced when they fail or pass their design life, including pumps, storage tanks, antennas, and battery units. Such units are replaced either by astronauts during EVA or by robotic arms.[142] Several shuttle missions were dedicated to the delivery of ORUs, including STS-129,[143] STS-133[144] and STS-134.[145] As of January 2011, only one other mode of transportation of ORUs had been utilised – the Japanese cargo vessel HTV-2 – which delivered an FHRC and CTC-2 via its Exposed Pallet (EP).[146][needs update]
Construction of the Integrated Truss Structure over New Zealand.
There are also smaller exposure facilities mounted directly to laboratory modules; the Kibō Exposed Facility serves as an external 'porch' for the Kibō complex,[147] and a facility on the European Columbus laboratory provides power and data connections for experiments such as the European Technology Exposure Facility[148][149] and the Atomic Clock Ensemble in Space.[150] A remote sensing instrument, SAGE III-ISS, was delivered to the station in February 2017 aboard CRS-10,[151] and the NICER experiment was delivered aboard CRS-11 in June 2017.[152] The largest scientific payload externally mounted to the ISS is the Alpha Magnetic Spectrometer (AMS), a particle physics experiment launched on STS-134 in May 2011, and mounted externally on the ITS. The AMS measures cosmic rays to look for evidence of dark matter and antimatter.[153][154]
The commercial Bartolomeo External Payload Hosting Platform, manufactured by Airbus, is due to launch in May 2019 aboard a commercial ISS resupply vehicle and be attached to the European Columbus module. It will provide a further 12 external payload slots, supplementing the eight on the ExPRESS Logistics Carriers, ten on Kibō, and four on Columbus. The system is designed to be robotically serviced and will require no astronaut intervention. It is named after Christopher Columbus's younger brother.[155][156][157]
Robotic arms and cargo cranes
Commander Volkov stands on Pirs with his back to the Soyuz whilst operating the manual Strela crane holding photographer Kononenko.
Dextre, like many of the station's experiments and robotic arms, can be operated from Earth and perform tasks while the crew sleeps.
The Integrated Truss Structure serves as a base for the station's primary remote manipulator system, called the Mobile Servicing System (MSS), which is composed of three main components. Canadarm2, the largest robotic arm on the ISS, has a mass of 1,800 kilograms (4,000 lb) and is used to dock and manipulate spacecraft and modules on the USOS, hold crew members and equipment in place during EVAs and move Dextre around to perform tasks.[158] Dextre is a 1,560 kg (3,440 lb) robotic manipulator with two arms, a rotating torso and has power tools, lights and video for replacing orbital replacement units (ORUs) and performing other tasks requiring fine control.[159] The Mobile Base System (MBS) is a platform which rides on rails along the length of the station's main truss. It serves as a mobile base for Canadarm2 and Dextre, allowing the robotic arms to reach all parts of the USOS.[160] To gain access to the Russian Segment a grapple fixture was added to Zarya on STS-134, so that Canadarm2 can inchworm itself onto the ROS.[161] Also installed during STS-134 was the 15 m (50 ft) Orbiter Boom Sensor System (OBSS), which had been used to inspect heat shield tiles on Space Shuttle missions and can be used on station to increase the reach of the MSS.[161] Staff on Earth or the station can operate the MSS components via remote control, performing work outside the station without space walks.
Japan's Remote Manipulator System, which services the Kibō Exposed Facility,[162] was launched on STS-124 and is attached to the Kibō Pressurised Module.[163] The arm is similar to the Space Shuttle arm as it is permanently attached at one end and has a latching end effector for standard grapple fixtures at the other.
The European Robotic Arm, which will service the Russian Orbital Segment, will be launched alongside the Multipurpose Laboratory Module in 2017.[164] The ROS does not require spacecraft or modules to be manipulated, as all spacecraft and modules dock automatically and may be discarded the same way. Crew use the two Strela (Russian: Стрела́; lit. Arrow) cargo cranes during EVAs for moving crew and equipment around the ROS. Each Strela crane has a mass of 45 kg (99 lb).
Planned componments
Nauka
Artist's rendering of the Nauka module docked to Zvezda.
Main article: Nauka (ISS module)
Nauka (Russian: Нау́ка; lit. Science), also known as the Multipurpose Laboratory Module (MLM), (Russian: Многофункциональный лабораторный модуль, or МЛМ), is a component of the ISS which has not yet been launched into space. The MLM is funded by the Roscosmos State Corporation. In the original ISS plans, Nauka was to use the location of the Docking and Stowage Module. Later, the DSM was replaced by the Rassvet module and it was moved to Zarya's nadir port. Planners anticipate Nauka will dock at Zvezda's nadir port, replacing Pirs.[165]
The launch of Nauka, initially planned for 2007, has been repeatedly delayed for various reasons. As of September 2019, the launch to the ISS is assigned to no earlier than December 2020.[166] After this date, the warranties of some of Nauka's systems will expire.
Prichal
Mockup of the Prichal module at the Yuri Gagarin Cosmonaut Training Center
Main article: Prichal (ISS module)
Prichal, also known as Uzlovoy Module or UM (Russian: Узловой Модуль "Причал", Nodal Module Berth),[167] is a 4-tonne (8,800 lb)[168] ball-shaped module that will allow docking of two scientific and power modules during the final stage of the station assembly, and provide the Russian segment additional docking ports to receive Soyuz MS and Progress MS spacecraft. UM is due to be launched in 2022.[169] It will be integrated with a special version of the Progress cargo ship and launched by a standard Soyuz rocket, docking to the nadir port of the Nauka module. One port is equipped with an active hybrid docking port, which enables docking with the MLM module. The remaining five ports are passive hybrids, enabling docking of Soyuz and Progress vehicles, as well as heavier modules and future spacecraft with modified docking systems. The node module was intended to serve as the only permanent element of the cancelled OPSEK.[170][171]
Science Power Modules 1 and 2
Science Power Module 1 (SPM-1, also known as NEM-1) Science Power Module 2 (SPM-2, also known as NEM-2) are modules planned to arrive at the ISS in 2022.[169][172][173] It is going to dock to the Prichal module, which is planned to be attached to the Nauka module.[173] If Nauka is cancelled, then the Prichal, SPM-1, and SPM-2 would dock at the zenith port of Zvezda. SPM-1 and SPM-2 would also be required components for the OPSEK space station.[174]
Bishop Airlock Module
Main article: Bishop Airlock Module
The NanoRacks Bishop Airlock Module is a commercially-funded airlock module intended to be launched to the ISS on SpaceX CRS-21 in August 2020.[175][176] The module is being built by NanoRacks, Thales Alenia Space, and Boeing.[177] It will be used to deploy CubeSats, small satellites, and other external payloads for NASA, CASIS, and other commercial and governmental customers.[178]
Cancelled componments
The cancelled Habitation module under construction at Michoud in 1997
Several modules planned for the station were cancelled over the course of the ISS programme. Reasons include budgetary constraints, the modules becoming unnecessary, and station redesigns after the 2003 Columbia disaster. The US Centrifuge Accommodations Module would have hosted science experiments in varying levels of artificial gravity.[179] The US Habitation Module would have served as the station's living quarters. Instead, the sleep stations are now spread throughout the station.[180] The US Interim Control Module and ISS Propulsion Module would have replaced the functions of Zvezda in case of a launch failure.[181] Two Russian Research Modules were planned for scientific research.[182] They would have docked to a Russian Universal Docking Module.[183] The Russian Science Power Platform would have supplied power to the Russian Orbital Segment independent of the ITS solar arrays.
Systems
Life support
Main articles: ISS ECLSS and Chemical oxygen generator
The critical systems are the atmosphere control system, the water supply system, the food supply facilities, the sanitation and hygiene equipment, and fire detection and suppression equipment. The Russian Orbital Segment's life support systems are contained in the Zvezda service module. Some of these systems are supplemented by equipment in the USOS. The MLM Nauka laboratory has a complete set of life support systems.
Atmospheric control systems
A flowchart diagram showing the components of the ISS life support system.
The interactions between the components of the ISS Environmental Control and Life Support System (ECLSS)
The atmosphere on board the ISS is similar to the Earth's.[184] Normal air pressure on the ISS is 101.3 kPa (14.69 psi);[185] the same as at sea level on Earth. An Earth-like atmosphere offers benefits for crew comfort, and is much safer than a pure oxygen atmosphere, because of the increased risk of a fire such as that responsible for the deaths of the Apollo 1 crew.[186] Earth-like atmospheric conditions have been maintained on all Russian and Soviet spacecraft.[187]
The Elektron system aboard Zvezda and a similar system in Destiny generate oxygen aboard the station.[188] The crew has a backup option in the form of bottled oxygen and Solid Fuel Oxygen Generation (SFOG) canisters, a chemical oxygen generator system.[189] Carbon dioxide is removed from the air by the Vozdukh system in Zvezda. Other by-products of human metabolism, such as methane from the intestines and ammonia from sweat, are removed by activated charcoal filters.[189]
Part of the ROS atmosphere control system is the oxygen supply. Triple-redundancy is provided by the Elektron unit, solid fuel generators, and stored oxygen. The primary supply of oxygen is the Elektron unit which produces O
2 and H
2 by electrolysis of water and vents H2 overboard. The 1 kW (1.3 hp) system uses approximately one litre of water per crew member per day. This water is either brought from Earth or recycled from other systems. Mir was the first spacecraft to use recycled water for oxygen production. The secondary oxygen supply is provided by burning O
2-producing Vika cartridges (see also ISS ECLSS). Each 'candle' takes 5–20 minutes to decompose at 450–500 °C (842–932 °F), producing 600 litres (130 imp gal; 160 US gal) of O
2. This unit is manually operated.[190]
The US Orbital Segment has redundant supplies of oxygen, from a pressurised storage tank on the Quest airlock module delivered in 2001, supplemented ten years later by ESA-built Advanced Closed-Loop System (ACLS) in the Tranquility module (Node 3), which produces O
2 by electrolysis.[191] Hydrogen produced is combined with carbon dioxide from the cabin atmosphere and converted to water and methane.
Power and thermal control
Main articles: Electrical system of the International Space Station and External Active Thermal Control System
Russian solar arrays, backlit by sunset
One of the eight truss mounted pairs of USOS solar arrays
Double-sided solar arrays provide electrical power to the ISS. These bifacial cells collect direct sunlight on one side and light reflected off from the Earth on the other, and are more efficient and operate at a lower temperature than single-sided cells commonly used on Earth.[192]
The Russian segment of the station, like most spacecraft, uses 28 volt low voltage DC from four rotating solar arrays mounted on Zarya and Zvezda. The USOS uses 130–180 V DC from the USOS PV array, power is stabilised and distributed at 160 V DC and converted to the user-required 124 V DC. The higher distribution voltage allows smaller, lighter conductors, at the expense of crew safety. The two station segments share power with converters.
The USOS solar arrays are arranged as four wing pairs, for a total production of 75 to 90 kilowatts.[193] These arrays normally track the sun to maximise power generation. Each array is about 375 m2 (4,036 sq ft) in area and 58 m (190 ft) long. In the complete configuration, the solar arrays track the sun by rotating the alpha gimbal once per orbit; the beta gimbal follows slower changes in the angle of the sun to the orbital plane. The Night Glider mode aligns the solar arrays parallel to the ground at night to reduce the significant aerodynamic drag at the station's relatively low orbital altitude.[194]
The station originally used rechargeable nickel–hydrogen batteries (NiH
2) for continuous power during the 35 minutes of every 90-minute orbit that it is eclipsed by the Earth. The batteries are recharged on the day side of the orbit. They had a 6.5-year lifetime (over 37,000 charge/discharge cycles) and were regularly replaced over the anticipated 20-year life of the station.[195] Starting in 2016, the nickel–hydrogen batteries were replaced by lithium-ion batteries, which are expected to last until the end of the ISS program.[196]
The station's large solar panels generate a high potential voltage difference between the station and the ionosphere. This could cause arcing through insulating surfaces and sputtering of conductive surfaces as ions are accelerated by the spacecraft plasma sheath. To mitigate this, plasma contactor units (PCU)s create current paths between the station and the ambient plasma field.[197]
ISS External Active Thermal Control System (EATCS) diagram
The station's systems and experiments consume a large amount of electrical power, almost all of which is converted to heat. To keep the internal temperature within workable limits, a passive thermal control system (PTCS) is made of external surface materials, insulation such as MLI, and heat pipes. If the PTCS cannot keep up with the heat load, an External Active Thermal Control System (EATCS) maintains the temperature. The EATCS consists of an internal, non-toxic, water coolant loop used to cool and dehumidify the atmosphere, which transfers collected heat into an external liquid ammonia loop. From the heat exchangers, ammonia is pumped into external radiators that emit heat as infrared radiation, then back to the station.[198] The EATCS provides cooling for all the US pressurised modules, including Kibō and Columbus, as well as the main power distribution electronics of the S0, S1 and P1 trusses. It can reject up to 70 kW. This is much more than the 14 kW of the Early External Active Thermal Control System (EEATCS) via the Early Ammonia Servicer (EAS), which was launched on STS-105 and installed onto the P6 Truss.[199]
Communications and computers
Main articles: Tracking and Data Relay Satellite and Luch (satellite)
See also: ThinkPad § Use in space
Diagram showing communications links between the ISS and other elements.
The communications systems used by the ISS
* Luch satellite and the Space Shuttle are not currently[when?] in use
Radio communications provide telemetry and scientific data links between the station and Mission Control Centres. Radio links are also used during rendezvous and docking procedures and for audio and video communication between crew members, flight controllers and family members. As a result, the ISS is equipped with internal and external communication systems used for different purposes.[200]
The Russian Orbital Segment communicates directly with the ground via the Lira antenna mounted to Zvezda.[6][201] The Lira antenna also has the capability to use the Luch data relay satellite system.[6] This system fell into disrepair during the 1990s, and so was not used during the early years of the ISS,[6][202][203] although two new Luch satellites—Luch-5A and Luch-5B—were launched in 2011 and 2012 respectively to restore the operational capability of the system.[204] Another Russian communications system is the Voskhod-M, which enables internal telephone communications between Zvezda, Zarya, Pirs, Poisk, and the USOS and provides a VHF radio link to ground control centres via antennas on Zvezda's exterior.[205]
The US Orbital Segment (USOS) makes use of two separate radio links mounted in the Z1 truss structure: the S band (audio) and Ku band (audio, video and data) systems. These transmissions are routed via the United States Tracking and Data Relay Satellite System (TDRSS) in geostationary orbit, allowing for almost continuous real-time communications with NASA's Mission Control Center (MCC-H) in Houston.[22][6][200] Data channels for the Canadarm2, European Columbus laboratory and Japanese Kibō modules were originally also routed via the S band and Ku band systems, with the European Data Relay System and a similar Japanese system intended to eventually complement the TDRSS in this role.[22][206] Communications between modules are carried on an internal wireless network.[207]
An array of laptops in the US lab
Laptop computers surround the Canadarm2 console
UHF radio is used by astronauts and cosmonauts conducting EVAs and other spacecraft that dock to or undock from the station.[6] Automated spacecraft are fitted with their own communications equipment; the ATV uses a laser attached to the spacecraft and the Proximity Communications Equipment attached to Zvezda to accurately dock with the station.[208][209]
The ISS is equipped with about 100 IBM/Lenovo ThinkPad and HP ZBook 15 laptop computers. The laptops have run Windows 95, Windows 2000, Windows XP, Windows 7, Windows 10 and Linux operating systems.[210] Each computer is a commercial off-the-shelf purchase which is then modified for safety and operation including updates to connectors, cooling and power to accommodate the station's 28V DC power system and weightless environment. Heat generated by the laptops does not rise but stagnates around the laptop, so additional forced ventilation is required. Laptops aboard the ISS are connected to the station's wireless LAN via Wi-Fi, which connects to the ground via Ku band. This provides speeds of 10 Mbit/s download and 3 Mbit/s upload from the station, comparable to home DSL connection speeds.[211][212] Laptop hard drives occasionally fail and must be replaced.[213] Other computer hardware failures include instances in 2001, 2007 and 2017; some of these failures have required EVAs to replace computer modules in externally mounted devices.[214][215][216][217]
The operating system used for key station functions is the Debian Linux distribution.[218] The migration from Microsoft Windows was made in May 2013 for reasons of reliability, stability and flexibility.[219]
In 2017, an SG100 Cloud Computer was launched to the ISS as part of OA-7 mission.[220] It was manufactured by NCSIST and designed in collaboration with Academia Sinica, and National Central University under contract for NASA.[221]
Operations
Expeditions and private flights
See also the list of International Space Station expeditions (professional crew), space tourism (private travellers), and the list of human spaceflights to the ISS (both).
Zarya and Unity were entered for the first time on 10 December 1998.
Soyuz TM-31 being prepared to bring the first resident crew to the station in October 2000
ISS was slowly assembled over a decade of spaceflights and crews
Each permanent crew is given an expedition number. Expeditions run up to six months, from launch until undocking, an 'increment' covers the same time period, but includes cargo ships and all activities. Expeditions 1 to 6 consisted of 3 person crews, Expeditions 7 to 12 were reduced to the safe minimum of two following the destruction of the NASA Shuttle Columbia. From Expedition 13 the crew gradually increased to 6 around 2010.[222][223] With the arrival of the US Commercial Crew vehicles in the late 2010s, expedition size may be increased to seven crew members, the number ISS is designed for.[224][225]
Gennady Padalka, member of Expeditions 9, 19/20, 31/32, and 43/44, and Commander of Expedition 11, has spent more time in space than anyone else, a total of 878 days, 11 hours, and 29 minutes.[226] Peggy Whitson has spent the most time in space of any American, totalling 665 days, 22 hours, and 22 minutes during her time on Expeditions 5, 16, and 50/51/52.[227]
Travellers who pay for their own passage into space are termed spaceflight participants by Roscosmos and NASA, and are sometimes referred to as space tourists, a term they generally dislike.[note 1] All seven were transported to the ISS on Russian Soyuz spacecraft. When professional crews change over in numbers not divisible by the three seats in a Soyuz, and a short-stay crewmember is not sent, the spare seat is sold by MirCorp through Space Adventures. When the space shuttle retired in 2011, and the station's crew size was reduced to 6, space tourism was halted, as the partners relied on Russian transport seats for access to the station. Soyuz flight schedules increase after 2013, allowing 5 Soyuz flights (15 seats) with only two expeditions (12 seats) required.[233] The remaining seats are sold for around US$40 million to members of the public who can pass a medical exam. ESA and NASA criticised private spaceflight at the beginning of the ISS, and NASA initially resisted training Dennis Tito, the first person to pay for his own passage to the ISS.[note 2]
Anousheh Ansari became the first Iranian in space and the first self-funded woman to fly to the station. Officials reported that her education and experience make her much more than a tourist, and her performance in training had been "excellent."[234] Ansari herself dismisses the idea that she is a tourist. She did Russian and European studies involving medicine and microbiology during her 10-day stay. The documentary Space Tourists follows her journey to the station, where she fulfilled "an age-old dream of man: to leave our planet as a "normal person" and travel into outer space."[235]
In 2008, spaceflight participant Richard Garriott placed a geocache aboard the ISS during his flight.[236] This is currently the only non-terrestrial geocache in existence.[237] At the same time, the Immortality Drive, an electronic record of eight digitised human DNA sequences, was placed aboard the ISS.[238]
Orbit
Graph showing the changing altitude of the ISS from November 1998 until November 2018
Animation of ISS orbit from 14 September 2018 to 14 November 2018. Earth is not shown.
The ISS is maintained in a nearly circular orbit with a minimum mean altitude of 330 km (205 mi) and a maximum of 410 km (255 mi), in the centre of the thermosphere, at an inclination of 51.6 degrees to Earth's equator. This orbit was selected because it is the lowest inclination that can be directly reached by Russian Soyuz and Progress spacecraft launched from Baikonur Cosmodrome at 46° N latitude without overflying China or dropping spent rocket stages in inhabited areas.[239][240] It travels at an average speed of 27,724 kilometres per hour (17,227 mph), and completes 15.54 orbits per day (93 minutes per orbit).[2][14] The station's altitude was allowed to fall around the time of each NASA shuttle flight to permit heavier loads to be transferred to the station. After the retirement of the shuttle, the nominal orbit of the space station was raised in altitude.[241][242] Other, more frequent supply ships do not require this adjustment as they are substantially higher performance vehicles.[28][243]
Orbital boosting can be performed by the station's two main engines on the Zvezda service module, or Russian or European spacecraft docked to Zvezda's aft port. The ATV is constructed with the possibility of adding a second docking port to its aft end, allowing other craft to dock and boost the station. It takes approximately two orbits (three hours) for the boost to a higher altitude to be completed.[243] Maintaining ISS altitude uses about 7.5 tonnes of chemical fuel per annum[244] at an annual cost of about $210 million.[245]
Orbits of the ISS, shown in April 2013
The Russian Orbital Segment contains the Data Management System, which handles Guidance, Navigation and Control (ROS GNC) for the entire station.[246] Initially, Zarya, the first module of the station, controlled the station until a short time after the Russian service module Zvezda docked and was transferred control. Zvezda contains the ESA built DMS-R Data Management System.[247] Using two fault-tolerant computers (FTC), Zvezda computes the station's position and orbital trajectory using redundant Earth horizon sensors, Solar
For the first USA coast to coast tour 1950 – 1951.
Swan Lake act 3 - Robert Helpmann as Prince Siegfried and Margot Fonteyn as the black swan Odile.
Increasing floods in between dry periods represent ideal conditions for spreading diseases such as cholera. In Nouakchott, the capital of Mauritania located in the desert, precipitations - when they occur - are always accompanied by a cholera epidemic, especially in poor areas where waste matter is not managed. Cholera had almost disappeared globally by the mid 1950s, but it reappeared and spread throughout the world during the last few decades. The World Health Organization (WHO) fears that a rapidly changing climate, combined with declining socio-economic conditions in the poorest part of the population, will contribute to an increasing spread of the disease.
For any form of publication, please include the link to this page:
This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
Just in time for the Ashes 4th Test at Chester-le-Street are these kindly donated cricket programmes; New Zealand 1949 cricket tour handbook and souvenir programme, complete with filled out score card, and a South African 1951 tour fixture, facts and averages handbook.
The Trade Facilitation Programme (TFP) currently includes over 100 Issuing Banks in the EBRD region and more than 800 Confirming Banks worldwide. The event gave EBRD partner banks the opportunity to review and discuss industry challenges, pricing, limits and trade opportunities with key industry specialists, regulators and representatives from the World Trade Organization, the International Chamber of Commerce HQ and local National ICC Committees.
It also featured the highly popular award ceremony for ‘The Most Active EBRD TFP Banks’ and ‘The Best Transaction of 2016’.
BLACK SWAN-Class Sloop ordered from Yarrow's of Scotstoun, Glasgow on 1st January 1938 under the 1937 Build Programme. The ship was laid down on 20th June 1938 and launched on 17th July 1939. She was the first RN ship to carry this name and build was completed on 27th January 1940.
After trials she was allocated to the Rosyth Escort Force, and in April she landed a party of Royal Marines and troops at Andalsnes and acted as A/A guard ship at the port. On 28th April, after having brought down at least four enemy aircraft, she was badly damaged by a bomb and had to return to the UK, for repairs at Falmouth. On 1st November she struck a mine which damaged her main engines, resulting in repairs at Dundee which lasted until May 1941
In June 1941 she joined the Western Approaches Command, but on 24th August, while escorting convoy BB 47, she was badly damaged by low-flying German aircraft off Milford Haven, and was in dock there for six weeks.
At the end of October 1941 she was allocated to the 37th Escort Group, and was employed with the Atlantic and Sierra Leone convoys. She refitted at Rosyth in June 1942, and returned to her group. During the North Africa invasion she escorted troop convoys to and from the Mediterranean, until February 1943.
On 2nd April 1943, while escorting convoy OS 45 from the UK to Freetown, she with the corvette HMS Stonecrop destroyed U 124.
In December 1943 she was assigned to the 5lst Escort Group of the Mediterranean Fleet, and in January 1944 sailed from the UK with a convoy. She remained in the Mediterranean until September 1944, when she was recalled to UK waters because of the increased U boat activity.
She refitted at Leith from January to March 1945, and in June sailed to join the British Pacific Fleet, arriving at Shanghai on 27th September 1945. She remained on the Far East Station first with the 1st Escort Flotilla, then with the 3rd Frigate Flotilla, until November 1951.
In 1949 she took part in the Yangtze Incident when she, with others, went to aid of HMS Amethyst. HMS Black Swan suffered 12 men wounded and severe damage to her superstructure in a fierce engagement with Chinese batteries and fell back.
In June 1950, when the Korean War broke out, she was one of the first British ships in the operational area. Her first assignment was with the cruiser Jamaica she took part in the first naval action of the war off the east coast of Korea , in which 5 out of 6 North Korean E-boats were sunk. She completed three periods of about three months each off the Korean coast, and steamed some 4l,000 miles on operations.
She finally left Singapore for the UK on 26 November 1951, arriving at Devonport on 20th December. She was placed in reserve and scrapped at Troon on l3th September 1956.
An undated photo of HMS BLACK SWAN , which was taken in the period Circa 1942-1947 when she wore the pennant number U57
a duration of sound poetry & similaria. by jwcurry.
Windsor, Common Ground Art Gallery, for 21 october 2o12. [approx.2oo copies.]
8 pp/6 printed, offset, 5-1/2 x 8-1/2, stapled wrappers.
programme for the reading by the Quatuor Gualuor (curry, Alastair Larwill, Georgia Mathewson, Brian Pirie) with brief notes on the 29 works performed. cover sound text by bpNichol, lettering by curry; rear cover sound text by Dom Sylvester Houédard.
2.oo
The 1972 Football League Cup Final took place on 4 March 1972 at Wembley Stadium and was contested by Chelsea and Stoke City.
Chelsea went into the match as strong favourites having won the FA Cup and the UEFA Cup Winners' Cup in the previous two seasons, whereas Stoke were attempting to win their first major trophy. Terry Conroy put Stoke into the lead early on, but Chelsea hit back through Peter Osgood just before half time. Stoke got the decisive final goal from veteran George Eastham to end their 109-year wait for a major honour
Water Projects, Lesotho. Advance Infrastructure of the Metolong Dam and Water Supply Programme included bridges (two) and a tarred access road of 32km road to the site from Maseru. Also power supply, water and sanitation, telecommunications, construction camp and permanent operational facilities. Bridge 1 over the Phuthiatsana River at Ha-Makhoathi. There is also small scale agriculture next to the river some of which is irrigated, Lesotho farmers however rely more on rainfall than irrigation. Photo: John Hogg / World Bank
Photo ID: JH-LS-090625-16 World Bank
Deputy PM Nick Clegg meets students at Number 10 who are part of the government's Arrival Education programme and all of whom received their GCSE results this morning. 24 August 2010, Crown copyright
The Arts Council of Australia
Newcastle City Hall
April 1952
Souvenir Programme
Programme courtesy of Mrs R. Sharkey
Page 2
Reading a review of Let’s Make an Opera from the Newcastle Morning Herald and Miners Advocate 1952 provides a great insight into the performance. The cast consisted of five adults and hundreds of school children which was something of a challenge for the conductor Eric Starling who, ‘sometimes had to act as school teacher as well as conductor to enlist full co-operation from them’.
The play consisted of two parts, the preparation of the opera and its dress rehearsal followed by the actual opera. Audience involvement in the performance was also expected. ‘Owls, herons, turtle-doves and chaffinches will carol together when Newcastle audiences take their part in ‘Let’s Make an Opera”.
This image may be used for study and personal research purposes. Please observe copyright where applicable and acknowledge source of all images.
If you wish to reproduce this image for any other purpose you can contact us at Maitland City Library.
If you have any further information about the image, you are welcome to contact us or leave a comment in the box below.
The Arts Council of Australia
Newcastle City Hall
April 1952
Souvenir Programme
Programme courtesy of Mrs R. Sharkey
Page 4
Reading a review of Let’s Make an Opera from the Newcastle Morning Herald and Miners Advocate 1952 provides a great insight into the performance. The cast consisted of five adults and hundreds of school children which was something of a challenge for the conductor Eric Starling who, ‘sometimes had to act as school teacher as well as conductor to enlist full co-operation from them’.
The play consisted of two parts, the preparation of the opera and its dress rehearsal followed by the actual opera. Audience involvement in the performance was also expected. ‘Owls, herons, turtle-doves and chaffinches will carol together when Newcastle audiences take their part in ‘Let’s Make an Opera”.
This image may be used for study and personal research purposes. Please observe copyright where applicable and acknowledge source of all images.
If you wish to reproduce this image for any other purpose you can contact us at Maitland City Library.
If you have any further information about the image, you are welcome to contact us or leave a comment in the box below.
Versed in History: poetry inspired by Camden's archive collection
Introduction / The Waitress: 27th July 1917 / Regent’s Canal: 04.55 Friday 2nd October / When Hell Was Overground / Children’s Voices / Holborn Incident / Belonging / Discovery / Mr Stevenson’s Poem / Ghost Door / Commonwealth Regained / Amphitheatre / Just Like Her Mother / Festive End / I Know Where That Place Is / The Bedford Music Hall / Day of the Long Tables / Thomas Clowser’s Register / Hana Waters / Fleet / Grimaldi
The Bedford Music Hall
The Bedford Music Hall
The Bedford Music Hall
By Barton Young
Gone that London a lad could hang
off a horse-dragged tram
that swam past public houses raucous warm with gin and brag
where piannas barrelled the songs they sang
in the stalls of the Bedford,
best music ‘all this side of the water.
Sink into a sixpence seat. The orchestra’s tuning up.
Fam’lies unwrap jam sarnies in the cheap seats.
First the bottom-billers: bar-benders, mind-readers, Wally White
‘s Wonder Dog. Backstage a comic lights a gasper off a lamp, eyes
The Charming Sisters Kelly in their candle-coloured
costumes, a tightrope walker doing pliés.
The vent chucks down a whiskey, tells the dummy for the nerves.
Out front a tenor coaxes a popular air;
a wit provides ‘song of my own composing,’
an English rose trills the young men to the trenches
singing all the boys in khaki get the nice girls.
Then a flintvoiced queenie chips the edges off a tune
she knows you know the chorus to.
They’ll all be in the wings at the bill’s top:
Up in the dressing room the full house roars
like an eager sea beneath her; the biggest of her day
sees her face in the mirror, will descend
to distil the Cockney crowd
into pure memory.
For a while in the thirties the hook came for the lot of 'em
and a silver screen shone above
the boards they’d trod by gaslight.
Hollywood shadow in the back row the belters
had flung their high notes at.
Then it was a theatre again.
Shabby Shakespeare stared up at
from tatty crimson plush.
Forgotten revues. Empty seats. Then rats and tramps.
My father saw it pulled down.
Stood across the street with long hair and no job
he saw this comatose building
chucked into the gutter face first.
A wrecking ball raised the roof off the place
and modern day gawped inside,
casting its grey spotlight
on the gods and all below, where
from the bellies of ghosts
the stage-led singsong and honest laughter
that glowed in the derelict dark
those years the Bedford slept off the past
(like aging turns in digs on iron beds)
died in the daylight of Camden High Street, 1969,
and all that England gone
before I ever got to see it.
For more information visit www.camden.gov.uk/localstudies