A British soldier (left,) belonging to the Coldstream Guard, shows 1st Lt. Kevin Sandlin, troop commander assigned to Headquarters and Headquarters Troop, 2nd Squadron, 2nd Cavalry Regiment, different types of equipment that his soldiers use while participating in a multinational combined arms demonstration during an Exercise Wind Spring Distinguished Visitor's event at Smardan Training Area, Romania, Apr. 18, 2015. The purpose of the event was to demonstrate interoperability between NATO Allies, while also allowing members of the Romanian government, along with British military leadership, to watch as the units worked and trained together in support of Operation Atlantic Resolve-South. (U.S. Army photo by Sgt. William A. Tanner/released)

Families local to the Czech Republic wave as they cheer on Troopers assigned to 4th Squadron, 2nd Cavalry Regiment, while watching them participate in Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

A local Czech Republic airfield crewmember refills a M1126 Stryker Combat Vehicle assigned to Outlaw Troop, 4th Squadron, 2nd Cavalry Regiment, during a brief refueling stop at a local airfield while participating in Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

The Mutualink Inc. communications system technology will be installed at Jersey Central Power & Light's Regional Dispatch Operations Center in Morristown, N.J., to help coordinate response efforts during local and regional emergencies.

Dutch soldiers take cover and observe the environment during exercise Allied Spirit I at the U.S. Army’s Joint Multinational Readiness Center in Hohenfels, Germany, Jan. 20, 2015. Exercise Allied Spirit includes more than 2,000 participants from Canada, Hungary, Netherlands, U.K. and the U.S. Allied Spirit is exercising tactical interoperability and testing secure communications among alliance members. (U.S. Army photo by Visual Information Specialist Gertrud Zach/released)

160611-N-YM856-043 UTO, Sweden (June 11, 2016) Swedish Marines with 1st Marine Regiment perform reconnaissance during the tactical exercise phase of BALTOPS 2016. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)

A line display of vehicles including a Stryker Combat Vehicle, belonging to 2nd Squadron, 2nd Cavalry Regiment and a Romanian TR-85 Main Battle Tank, along with other vehicles from the Romanian Land Forces, are displayed in preparation for a multinational combined arms demonstration during an Exercise Wind Spring Distinguished Visitor's event at Smardan Training Area, Romania, Apr. 18, 2015. The purpose of the event was to demonstrate interoperability between NATO Allies, while also allowing members of the Romanian government, along with British military leadership, to watch as the units worked and trained together in support of Operation Atlantic Resolve-South. (U.S. Army photo by Sgt. William A. Tanner/released)

Troopers assigned to 4th Squadron, 2nd Cavalry Regiment, conduct a vehicle convoy through local Czech Republic farmland during Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

160611-N-YM856-136 UTO, Sweden (June 11, 2016) Swedish Marines with 1st Marine Regiment perform reconnaissance during the tactical exercise phase of BALTOPS 2016. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)

McEntire Joint National Guard Base, home of the South Carolina Air National Guard’s 169th Fighter Wing, co-hosts nighttime arming and refueling training during Exercise Agile Lion, Jan. 14, 2020. Multi-functional Airmen and F-15E Strike Eagle fighter jets from the 4th Fighter Wing at Seymour Johnson Air Force Base, N.C., execute integrated combat turns during the exercise. This training simulates mobile command and control which enables joint interoperability. (U.S. Air Force photo by Capt. Stephen Hudson, 169th Fighter Wing Public Affairs)

April 27, 2008, Navy Lt. Jerome V. Cerdan, a dentist, and Petty Officer 3rd Class Alfredo Ruiz-Borges, a Hospital Corpsman, attached to 3rd Medical Battalion, 3rd Marine Logistics Group, extract a tooth from a young girl with the assistance of an interpreter at the field dental clinic in Tmar Pok, Banteay Meanchey, Kingdom of Cambodia. Marines and sailors of 3rd Medical Battalion are deployed in support of Cambodia Interoperability Program '08, a bilateral Medical and Dental Civil Action Program which is intended to build on the relationship between the U.S. and Cambodian governments and develop interoperability between U.S. forces and the Royal Cambodian Armed Forces. (Official USMC photograph by Cpl. Thomas Lew)

This is what CAmbodia

This is what Cambodia is like, kind of.

Spc. Cody McCoy with the 1st platoon of U.S. Army Europe's 541st Engineer Company, 54th Engineer Battalion, 18th Engineer Brigade, keeps an eye on security during a route clearance training mission with Spanish engineer soldiers during exercise Interdict 2012 in Spain, Oct. 29. The exercise hosted by the Spanish engineers was designed to foster and enhance interoperability and skills among engineer units practicing counter-improvised explosive device operations using a scenario that mirrored combat in Afghanistan. (Photo by Lt. Col. Wayne Marotto)

Eager Lion was a two-weeklong multinational exercise with the Hashemite Kingdom of Jordan, in order to exchange military expertise and improve interoperability among partner nations. (U.S. Army photo by Staff Sgt. Leah R. Kilpatrick, 3rd Armored Brigade Combat Team Public Affairs Office, 1st Cavalry Division (released)

A U.S. Army Paratrooper assigned to Special Operations Command Europe folds and packs her parachute after landing in a designated drop zone in Germany March 11, 2020. Monthly jumps at SOCEUR are designed to assess the readiness of paratroopers, maintain currency and to promote interoperability with participating allies and partner nations. (U.S. Army photo by Sgt. Monique O'Neill)

170807-N-KB401-282 THE MINCH, Scotland (Aug. 7, 2017) An MH-60S Sea Hawk, attached to the "Tridents" of Helicopter Sea Combat Squadron (HSC) 9, patrols while the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77) and the Ticonderoga-class guided-missile cruiser USS Philippine Sea (CG 58) transit the Minch, Scotland, during exercise Saxon Warrior 2017, Aug. 7. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael B. Zingaro/Released)

A U.S. Soldier assigned to the 256th Infantry Brigade Combat Team, Louisiana Army National Guard, watches over Danish soldiers while conducting sling load training at Camp Novo Selo, Kosovo. The training included soldiers from Lithuania, Germany, and other nations to strengthen multinational interoperability. (Courtesy photo)

U.S. Ambassador to the Italian Republic and the Republic of San Marino, John R. Phillips, answers questions during a press conference as part of Distinguished Visitors Day for Exercise Allied Spirit IV at the 7th Army Joint Multinational Training Command's Hohenfels Training Area, Germany, Jan. 27, 2016. The Allied Spirit IV Exercise focuses on unified land operations and enhancing fires interoperability and integration of NATO Allies. (U.S. Army photo by Spc. Nathanael Mercado/ Released)

A local Czech Republic construction crew watches as Troopers assigned to 4th Squadron, 2nd Cavalry Regiment, participate in Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

Troopers assigned to 4th Squadron, 2nd Cavalry Regiment, conduct a vehicle convoy through local Czech Republic farmland during Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

Local Czech Republic residents cheer on Troopers assigned to 4th Squadron, 2nd Cavalry Regiment, while watching them participate in Dragoon Crossing, a tactical road march starting out at Rose Barracks, Germany and continuing through the Czech Republic and the Slovak Republic ending in Hungary on Sept. 13, 2015. The purpose of the exercise is to reassure NATO Allies of the U.S. intent during Operation Atlantic Resolve while demonstrating interoperability and freedom of movement throughout Eastern Europe. (U.S. Army photo by Sgt. William A. Tanner/released)

170807-N-KB401-261 THE MINCH, Scotland (Aug. 7, 2017) The Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77), the Ticonderoga-class guided-missile cruiser USS Philippine Sea (CG 58), the Royal Navy Duke-class frigate HMS Westminster (F237), and the Royal Norwegian Navy frigate Helge Ingstad (F313) transit the Minch, Scotland, during exercise Saxon Warrior 2017, Aug. 7. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael B. Zingaro/Released)

A Marine All-Weather Fighter Attack Squadron (VMFA) 224, F/A-18D Hornet descends to Chitose Air Base in Hokkaido, Japan, after traveling from Marine Corps Air Station Iwakuni, Jan. 12, 2016. VMFA (AW)-224, homebased at MCAS Beaufort, S.C., is temporarily based in Iwakuni on a unit deployment program and deployed to Northern Japan to participate in the Chitose Aviation Training Relocation Exercise, Jan. 12-22. During the exercise, the squadron conducted dissimilar air combat training with and against the Japan Air Self-Defense Force to further support combined interoperability and Pacific theater security cooperation. (U.S. Marine Corps photo by Cpl. Jessica Quezada/Released)

Gen. Ljubisa Dikovic, chief of general staff for the Serbian Armed Forces, visits South Base and the Borovac Training Area, June 15, 2018, to observe training demonstrations during Exercise Platinum Wolf 2018. Here he visits with soldiers from the Serbian Armed Forces following a nonlethal weapons demonstration, led by members of the U.S. Army’s 838th and 269th Military Police companies, from the Ohio and Tennessee National Guards, respectively. The two-week, multinational peacekeeping exercise brings more than 500 soldiers from 10 nations together to enhance military cooperation and interoperability at Serbia’s South Base and Borovac Training Area, June 11-22. (Ohio National Guard photo by Senior Master Sgt. Beth Holliker)

Pfc. Mikel Chamen, an infantryman from San Diego, California, assigned to Company A, 3rd Battalion, 8th Cavalry Regiment, 3rd Armored Brigade Combat Team, 1st Cavalry Division, engages a target with an M___ Javelin at a company-level combined arms live-fire exercise May 14 in Wadi Shadiya, Jordan as part of Exercise Eager Lion 2017. Eager Lion was a two-weeklong multinational exercise with the Hashemite Kingdom of Jordan, in order to exchange military expertise and improve interoperability among partner nations. (U.S. Army photo by Staff Sgt. Leah R. Kilpatrick, 3rd Armored Brigade Combat Team Public Affairs Office, 1st Cavalry Division (released)

Sgt. 1st Class Augustine Haro (left), a platoon sergeant with the 1st platoon of U.S. Army Europe's 541st Engineer Company, 54th Engineer Battalion, 18th Engineer Brigade, directs the disposition of role-players acting as enemy prisoners during exercise Interdict 2012 in Spain, Oct. 31. The exercise hosted by the Spanish engineers was designed to foster and enhance interoperability and skills among engineer units practicing counter-improvised explosive device operations using a scenario that mirrored combat in Afghanistan. (Photo by Lt. Col. Wayne Marotto)

So now users of AIM (and AOL and Apple's Mobile Me) can directly send instant messages to users of Google Talk without having to resort to hacks. No more having to use special versions of software and create logins on both services. This is well overdue.

U.S. Air Force Staff Sgt. Veronica Mendoza, 154th Operations Group airfield manager, monitors multiple aircraft take-offs during PACIFIC EDGE 23, Joint Base Pearl Harbor-Hickam, Hawaii, Nov. 30, 2022. Pacific Edge is a bilateral U.S. - Australian exercise held to enhance combat proficiencies through the integration of allied units and further the interoperability between the two countries' aircraft. (U.S. Air National Guard photo by Master Sgt. Mysti Bicoy)

A Spanish engineer (in tan camouflage) looks for simulated explosives with Soldiers of the 1st platoon of U.S. Army Europe's 541st Engineer Company, 54th Engineer Battalion, 18th Engineer Brigade, during exercise Interdict 2012 in Spain, Oct. 29. The exercise hosted by the Spanish engineers was designed to foster and enhance interoperability and skills among engineer units practicing counter-improvised explosive device operations based on several IED events during a route clearance scenario. (Photo by Lt. Col. Wayne Marotto)

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MEDITERRANEAN SEA (Nov. 13, 2017) Culinary Specialist 2nd Class Julian Fuenzalida, from Virginia Beach, Virginia, polishes the ship’s bell aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) during exercise Dogu Akdeniz 2017, Nov. 13. Dogu Akdeniz is a Turkish-led, multinational maritime exercise designed to improve combined combat capabilities, increase operational capacity and strengthen relationships among NATO allies. (U.S. Navy photo by Mass Communication Specialist 1st Class Theron J. Godbold /Released)

170808-N-OX430-001 ATLANTIC OCEAN (Aug. 8, 2017) The Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) and Ticonderoga-class guided-missile cruiser USS Philippine Sea (CG 58) transit alongside the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77) during exercise Saxon Warrior 2017, Aug. 8. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 3rd Class Daniel Gaither/Released)

ITU HQ, Geneva, Switzerland, 2 August 2019

© ITU/M. Jacobson - Gonzalez

SEKIYAMA TRAINING AREA, NIIGATA PREFECTURE, Japan – Marines with Company I, 3rd Battalion, 1st Marine Regiment, participate in the closing ceremony for Exercise Forest Light 14-2 March 8 at Sekiyama Training Area, Niigata prefecture, Japan. Forest Light was a two-week long exercise in which Marines and JGSDF members trained together, improving interoperability in cold-weather environments. Marines and JGSDF members trained in tactical movements and cold-weather survival skills in the snow. 3rd Bn., 1st Marines, is currently assigned to 4th Marines, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps photo by Lance Cpl. Joey S. Holeman, Jr./Released)

Sgt. Avelinobong Quero, fixed-wing aircraft mechanic with Marine All-Weather Fighter Attack Squadron (VMFA) 224, works on an F/A-18D Hornet at Chitose Air Base apron in Hokkaido, Japan, Jan. 13, 2016. VMFA (AW)-224, homebased at MCAS Beaufort, S.C., is temporarily based in Iwakuni on a unit deployment program and deployed to Northern Japan to participate in the Chitose Aviation Training Relocation Exercise Jan. 12-22. During the exercise, the squadron conducted dissimilar air combat training with and against the Japan Air Self-Defense Force to further support combined interoperability and Pacific theater security cooperation.

A French sniper team prepares to execute the next task during the U.S. Army Europe and Africa European Best Sniper Team Competition in the 7th Army Training Command's Grafenwoehr Training Area, Grafenwoehr, Germany, Nov. 19, 2025.

The USAREUR-AF EBST Competition held annually at 7th Army Training Command’s Grafenwoehr Training Area builds military readiness through realistic and challenging training scenarios, fosters military partnership and esprit des corps, and promotes NATO interoperability with Allied and Partner nations.

U.S. Army photo by Markus Rauchenberger

170808-N-OX430-144 ATLANTIC OCEAN (Aug. 8, 2017) An MH-60S Sea Hawk, assigned to Helicopter Sea Combat Squadron (HSC) 9, and a Royal Navy Merlin Mk2 are parked on the flight deck of the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77) during exercise Saxon Warrior 2017, Aug. 8. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 3rd Class Daniel Gaither/Released)

Lt. Gen. Nicolae Ciuca (left,) Romanian Chief of General Staff, accepts a squadron coin from Lt. Col. Theodore A. Johnson (right), squadron commander assigned to 2nd Squadron, 2nd Cavalry Regiment, after arriving at the Cincu Training Area, Romania, to observe the unit as they participate in the Distinguished Visitors Day demonstration, May 26, 2015. This event featured several different demonstrations of the multinational interoperability training taking place at the CTA between 2nd Squadron, 2nd Cavalry Regiment, the British Coldstream Guard, the Royal Canadian Regiment, Romanian Land Forces and the Portuguese Air Force, all in support of Operation Atlantic Resolve-South. (U.S. Army photo by Sgt. William A. Tanner/released)

160611-N-YM856-106 UTO, Sweden (June 11, 2016) Swedish Marines with 1st Marine Regiment perform reconnaissance during the tactical exercise phase of BALTOPS 2016. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)

160611-N-YM856-127 UTO, Sweden (June 11, 2016) Swedish Marines with 1st Marine Regiment plot grid coordinates during the tactical exercise phase of BALTOPS 2016. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)

Staff Sgt. Levi Prewitt of Company A, 3rd Battalion, 8th Cavalry Regiment, 3rd Armored Brigade Combat Team, 1st Cavalry Division pounds pickets to secure a target while Capt. Colby Burkhart, commander of Co. A, 3-8 CAV, hold it in place prior to a combined, joint live-fire accuracy screening test range May 10 in Wadi Shadiya, Jordan during Exercise Eager Lion 2017. Eager Lion was a two-weeklong multinational exercise with the Hashemite Kingdom of Jordan, in order to exchange military expertise and improve interoperability among partner nations. (U.S. Army photo by Staff Sgt. Leah R. Kilpatrick, 3rd Armored Brigade Combat Team Public Affairs Office, 1st Cavalry Division (released)

160612-N-YM856-064 UTO, Sweden (June 12, 2016) U.S. Marine 2nd Lt. Dean Rogers, left, with 3rd Battalion, 8th Marines deployed from Camp Lejeune, N.C., discusses grid coordinates with British Royal Marines Commando 2nd Lt. Patrick Locher during the tactical exercise phase of BALTOPS 2016, June 12. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brittney Cannady/Released)

U.S. Soldiers with 2nd Squadron, 2nd Cavalry Regiment react to contact during an assault in an urban environment at the 7th Army Joint Multinational Training Command's Distinguished Visitors Day for Exercise Allied Spirit IV at Hohenfels Training Area, Germany, Jan. 27, 2016. The Allied Spirit IV Exercise focuses on unified land operations and enhancing fires interoperability and integration of NATO Allies. (U.S. Army photo by Spc. Nathanael Mercado/ Released)

A Battle Group Poland U.K. soldier fires his SA80 5.56 mm rifle during a small arms range conducted near the Bemowo Piskie Training Area during Saber Strike 17 June 6. Saber Strike 17 is a U.S. Army Europe-led multinational combined forces exercise conducted annually to enhance the NATO alliance throughout the Baltic region and Poland. This year’s exercise includes integrated and synchronized deterrence-oriented training designed to improve interoperability and readiness of the 20 participating nations’ militaries. (U.S. Army photo by Sgt. Jimmy Golden/ Released)

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CLARK FIELD, Philippines –Philippine Air Force Col. Arturo J. Orticio, left, gets fitted for an anti-gravity suit by U.S. Marine Staff Sgt. Michael A. Parks April 10 in preparation for him flying in the back seat of a Marine F/A-18 Hornet April 12 at Clark Field, Philippines. The bilateral flight will be conducted as part of exercise Balikatan 2013, an annual exercise that is aimed at ensuring interoperability of the Philippine and U.S. militaries during planning, contingency and humanitarian assistance operations. Orticio is the deputy wing commander of the Air Defense Wing. Parks is a flight equipment technician with Marine All-Weather Fighter Attack Squadron 533, Marine Aircraft Group 31, 2nd Marine Aircraft Wing, II Marine Expeditionary Force, currently attached to Marine Aircraft Group 36, 1st MAW, III MEF under the unit deployment program. (U.S. Marine Corps photo by Pfc. Kasey Peacock/Released)

A pair of conventional bombs explode after being dropped onto its target by a Portuguese F-16 during the aerial maneuver portion of the Distinguished Visitors Day demonstration at Cincu Training Area, Romania, May 26, 2015. This event featured several different demonstrations of the multinational interoperability training taking place at the CTA between 2nd Squadron, 2nd Cavalry Regiment, the British Coldstream Guard, the Royal Canadian Regiment, Romanian Land Forces and the Portuguese Air Force, all in support of Operation Atlantic Resolve-South. (U.S. Army photo by Sgt. William A. Tanner/released)

Filipino children line up to use a fire hose with the help of members of U.S. Air Force Crash Fire Rescue at Clark Air Base, Philippines May 10, 2014 during a static aircraft display for Balikatan 2014. The event gave the opportunity for members of the Armed Forces of the Philippines and their families as well as the community to get up close and personal with Philippine and U.S. aircraft. Balikatan is an annual training exercise that strengthens the interoperability between the Armed Forces of the Philippines and U.S. military and their commitment to regional security and stability, humanitarian assistance and disaster relief. (U.S. Army photo by Spc. Matthew Sissel/Released)

MUANG KOM, Kingdom of Thailand – U.S. Marines and Royal Thai Marines communicate through hand and arm signals during a bilateral combined arms live fire exercise Feb. 15 during Exercise Cobra Gold 2012. The training provided the opportunity for the Royal Thai and U.S. to implement techniques and procedures learned throughout the week including maneuvering under fire, conducting small arms, artillery and machine gun fire. Cobra Gold is an annual Royal Thai and U.S. co-hosted multinational exercise designed to advance security throughout the Asia-Pacific region and increase interoperability with participating nations. (U.S. Marine Corps photo by Lance Cpl. Ronald K. Peacock/Released)

170805-N-KB401-052 ATLANTIC OCEAN (Aug. 5, 2017) The fast combat supply ship USNS Supply (T-AOE 6) conducts a replenishment-at- sea with the Royal Navy Type 23-class frigate HMS Iron Duke (F 234) during exercise Saxon Warrior 2017, Aug. 5. Saxon Warrior is a United States and United Kingdom co-hosted carrier strike group exercise that demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael B. Zingaro/Released)

Battle Group Poland tested its readiness and interoperability as part of NATO's enhanced Forward Presence during Bull Run, a simulated training exercise, July 16 near Suwalki, Poland. The unit rehearsed an alert, a tactical road march to designated positions throughout the area and set up community engagements with local residents. The training is designed to ensure that the U.S., Polish, U.K. and Romanian soldiers are capable and ready to carry out their allied mission to deter adversaries, and when necessary, defend the NATO alliance. The U.S.-led Battle Group Poland is one of NATO's four multinational battle groups deployed as a deterrence force in the eastern part of the alliance. (U.S. Army photo by Sgt. 1st Class Patricia Deal/Released)

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CLARK AIR BASE, Philippines – U.S. Marine pilots conduct familiarization flights over various locations in the Philippines April 5 in preparation for operations during exercise Balikatan 2013. Throughout the exercise Marine Medium Tiltrotor Squadron 265, and other elements of 1st Marine Aircraft Wing will conduct various flight operations with the Armed Forces of the Philippines. The exercise, in its 29th iteration, is an annual bilateral training evolution aimed at ensuring interoperability of the Philippine and U.S. militaries during planning, contingency and humanitarian assistance operations. (U.S. Marine Corps photo by 1st Lt. Breck Archer/Released)

Battle Group Poland U.S. combat engineer sets in his grape shot, a improvise claymore, during Battle Group Poland’s live demolition training during Battle Group Poland’s live demolition training during Saber Strike 17 near Bemowo Piskie Training Area June 7. Saber Strike 17 is a U.S. Army Europe-led multinational combined forces exercise conducted annually to enhance the NATO alliance throughout the Baltic region and Poland. This year’s exercise includes integrated and synchronized deterrence-oriented training designed to improve interoperability and readiness of the 20 participating nations’ militaries. (U.S. Army Spc. Kevin Wang/Released)