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Pima Air and Space Museum
Since the 1960s several attempts have been made to interest the U.S. Air Force in a light-weight ground attack aircraft for use in low intensity conflicts and for counter insurgency operations. To date none of these efforts have resulted in the Air Force adopting such an aircraft. One of the attempts was begun in 1968 and ended in 1983 with the creation of the Piper PA-48 Enforcer.
In 1968, the Cavalier Aircraft Company proposed an updated version of the World War II era North American P-51 Mustang for the mission. The company modified two existing Mustangs with Rolls-Royce Dart turboprop engines which greatly increased the plane’s speed and carrying capacity. Testing showed that the aircraft could effectively perform the mission but the Air Force did not order any. In an effort to push the concept forward Cavalier sold the design to Piper Aircraft in 1979. Piper redesigned the aircraft essentially from scratch and changed the engine to a Lycoming YT-55-L-9A turboprop and while the plane still greatly resembles a Mustang it shares less than 10% of its parts with the World War II fighter. Two Enforcers were built and first flew in 1983. While they were evaluated by the U.S. Air Force and again proved quite capable of performing their mission the Air Force chose not to pursue the concept. Both aircraft were retired by the end of 1984.
Wingspan: 41 ft 4 in
Length: 34 ft 2 in
Height: 13 ft 1 in
Weight: 14,000 lbs (loaded)
Maximum Speed: 402 mph
Service Ceiling: 25,000 ft
Range: 920 miles
Engine: One Lycoming YT-55-L-9A turboprop with 2,445 horsepower
Crew: 1
Manufacturer: Piper
Markings: Piper Aircraft Company, Lakeland, Florida, 1983
Designation: PA-48
Registration: N481PE
Serial Number: 48-8301001
3birds Coworking Space 自由鳥共享工作間
3birds Coworking Space- 6B, Tung Kin Factory Building, 196-198 Tsat Tsz Mui Road, North Point
A single exposure of the International Space Station (ISS) passing overhead and then vanishing in the Earth's shadow.
Track the current position of the ISS here:
On the site, if you look to the right, you can click on the '5 day prediction' for its future passes. This will also tell you whether or not the ISS is eclipsed by the moon's shadow.
The Lyndon B. Johnson Space Center is NASA's manned spacecraft center. It is the home of the Apollo program in addition to being a training facility. On display are Apollo artifacts as well as the Saturn V rocket.
Johnson Space Center (NASA). Houston, Texas.
Went to some event, and it ended up being right next to the Space Needle. Took a quick shot while I was there and it turned out nicer than expected.
Saturn's small, irregularly-shaped moon Epimetheus orbits against the
backdrop of the planet's rings, which are nearly edge-on in this view.
Some of the moon's larger geological features can be seen here. Epimetheus
is 116 kilometers (72 miles) across.
The image was taken in visible light with the Cassini spacecraft
narrow-angle camera on Feb. 18, 2005, at a distance of approximately
990,000 kilometers (615,000 miles) from Epimetheus and at a
Sun-Epimetheus-spacecraft, or phase, angle of 99 degrees. Resolution in
the original image was 6 kilometers (4 miles) per pixel. The image has
been contrast-enhanced and magnified by a factor of two to aid visibility.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory,
a division of the California Institute of Technology in Pasadena, manages
the mission for NASA's Science Mission Directorate, Washington, D.C. The
Cassini orbiter and its two onboard cameras were designed, developed and
assembled at JPL. The imaging team is based at the Space Science
Institute, Boulder, Colo.
For more information about the Cassini-Huygens mission, visit
saturn.jpl.nasa.gov and the Cassini imaging team home page,
credit: NASA/JPL/Space Science Institute
From just beneath the ringplane, Saturn's rings take on a strange and
unfamiliar appearance, as Saturn's battered moon Mimas looks on. Part of
Saturn's immense shadow makes a dark, fingerlike projection into the
rings, as seen here. Mimas is 397 kilometers (247 miles) across.
North on Mimas is up and to the left. This view shows principally the
Saturn-facing hemisphere on Mimas.
The image was taken in polarized green light with the Cassini spacecraft
narrow-angle camera on March 7, 2005, at a distance of approximately 1.5
million kilometers (900,000 miles) from Mimas and at a
Sun-Mimas-spacecraft, or phase, angle of 30 degrees. Resolution in the
image is 9 kilometers (6 miles) per pixel.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory,
a division of the California Institute of Technology in Pasadena, manages
the mission for NASA's Science Mission Directorate, Washington, D.C. The
Cassini orbiter and its two onboard cameras were designed, developed and
assembled at JPL. The imaging team is based at the Space Science
Institute, Boulder, Colo.
For more information about the Cassini-Huygens mission visit saturn.jpl.nasa.gov.
For additional images visit the Cassini imaging team homepage ciclops.org.
credit: NASA/JPL/Space Science Institute
A bright arc within Saturn's faint G ring holds a tiny gift.
A small moonlet is just visible as a short streak near the ansa of the G
ring arc in the top of two versions of the same image. The second (bottom)
version of the image has been brightened to enhance the visibility of the
G ring. The other streaks in this version of the image are stars smeared
by the camera's long exposure time of 26 seconds. This version of the
image shows a gap in the G ring which was faintly visible in an earlier
Cassini movie (see PIA08327).
The moonlet, dubbed S/2008 S 1, is likely a major source of the material
of the G ring (see PIA11148).
This view looks toward the sunlit side of the rings from about 1 degrees
below the ring plane. The image was taken in visible light with the
Cassini spacecraft narrow-angle camera on Jan. 28, 2009. The view was
acquired at a distance of approximately 1.2 million kilometers (746,000
miles) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 27
degrees. Image scale is 7 kilometers (4 miles) per pixel.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory,
a division of the California Institute of Technology in Pasadena, manages
the mission for NASA's Science Mission Directorate, Washington, D.C. The
Cassini orbiter and its two onboard cameras were designed, developed and
assembled at JPL. The imaging operations center is based at the Space
Science Institute in Boulder, Colo.
For more information about the Cassini-Huygens mission visit
saturn.jpl.nasa.gov. The Cassini imaging team
homepage is at ciclops.org.credit: NASA/JPL/Space Science Institute
The Lyndon B. Johnson Space Center is NASA's manned spacecraft center. It is the home of the Apollo program in addition to being a training facility. On display are Apollo artifacts as well as the Saturn V rocket.
Johnson Space Center (NASA). Houston, Texas.
Ever-changing kinks and wiggles define Saturn's dynamic F ring. The
evolution of F-ring features like those seen here are of interest to ring
scientists because they reveal a great deal about the processes shaping
the ring's structure.
This view looks toward the unilluminated side of the rings from about 4
degrees above the ringplane.
The image was taken in visible light with the Cassini spacecraft
narrow-angle camera on March 15, 2008. The view was obtained at a distance
of approximately 1.3 million kilometers (821,000 miles) from Saturn and at
a Sun-Saturn-spacecraft, or phase, angle of 16 degrees. Image scale is 8
kilometers (5 miles) per pixel.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory,
a division of the California Institute of Technology in Pasadena, manages
the mission for NASA's Science Mission Directorate, Washington, D.C. The
Cassini orbiter and its two onboard cameras were designed, developed and
assembled at JPL. The imaging operations center is based at the Space
Science Institute in Boulder, Colo.
For more information about the Cassini-Huygens mission visit
saturn.jpl.nasa.gov. The Cassini imaging team
homepage is at ciclops.org.
credit: NASA/JPL/Space Science Institute