A World War II U.S. Navy AT-6 aircraft maneuvers below a U.S. Army MH-60 Black Hawk helicopter assigned to the 4th Battalion, 160th Special Operations Aviation Regiment in Everett, Wash., Aug. 26, 2013. The flight was part of a historic flight formation of Army and World War II aircraft to celebrate the history of aviation. (U.S. Army photo by Maj. Daniel Hill/Released)