U.S. Air Force maintainers inspect and repair an A-10 Thunderbolt II aircraft in the Phase Hangar at Osan Air Base, Republic of Korea on Aug. 28, 2017. The maintainers working in the Phase Hangar strengthen Osan’s fleet everyday by meticulously inspecting both the A-10 and F-16 Fighting Falcons aircraft, performing preventative maintenance, which ensures mission safety, capabilities and lethality. (U.S. Air Force photo by Staff Sgt. Alex Fox Echols III)