A U.S. Air Force B-52 Stratofortress flies over Langley Air Force Base, Va., following a 95th Anniversary Maj. Gen. William “Billy” Mitchell memorial reenactment, July 22, 2016. Mitchell, who is widely considered the “father of the Air Force,” and the 1st Provisional Air Brigade demonstrated the superiority of air power by sinking the famous, and previously thought unsinkable, captured German battleship, the Ostfriesland. (U.S. Air Force photo by Staff Sgt. R. Alex Durbin)