A group of U.S. Air Force F-15 Strike Eagles prepare to land at Langley Air Force Base, Va., following a 95th Anniversary Maj. Gen. William “Billy” Mitchell memorial reenactment, July 22, 2016. Pilots flying 8 different airframes dropped inert munitions at the original site of the 1921 airpower trials of the coast of the Virginian Capes, where the sunken Ostfriesland still lies. (U.S. Air Force photo by Staff Sgt. R. Alex Durbin)