An MV-22 Osprey lands during a training exercise to recover personnel in Southwest Asia, July 28, 2015. The 185th Theater Aviation Brigade conducts interoperability training missions to enhance capabilities between U.S. Army aviation and other U.S. military forces. (U.S. Army National Guard photo by Army Sgt. Michael Needham)
Two U.S. Air Force F-16C Fighting Falcons lead a mixed formation including a Bulgarian air force MiG-29 Fulcrum and MiG-21 Fishbed during Thracian Star 2015 over Bulgaria, July 20, 2015. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley)
U.S. sailors perform a rope-suspension technique from an MH-60S Sea Hawk helicopter assigned to Helicopter Sea Combat Squadron 12 during a drill aboard the guided-missile destroyer USS Chafee in the Pacific Ocean, July 28, 2015. The sailors, assigned to Explosive Ordnance Disposal Mobile Unit 5, are embarked aboard the aircraft carrier USS George Washington. (U.S. Navy photo by Seaman Clemente A. Lynch)
Soldiers with the armed forces of Ukraine evacuate a destroyed BTR-80 armored troop transport July 27, 2015, as they conduct convoy operations training during Rapid Trident in Yavoriv, Ukraine. Rapid Trident is a long-standing U.S. Army Europe-led cooperative training exercise focused on peacekeeping and stability operations. More than 1,800 personnel from 18 different nations are participating in the exercise. (Sgt. Alex Skripnichuk/Army)
Sgt. Bernestein Suggs walks across the flight deck of the amphibious assault ship USS Kearsarge (LHD 3). The Kearsarge Amphibious Ready Group and the 26th Marine Expeditionary Unit are conducting Composite Training Unit Exercise (COMPTUEX) in preparation for an upcoming deployment. (Mass Communication Specialist 2nd Class Travis DiPerna/Navy)