U.S. Air Force Airman 1st Class Randal Trosky, 1st Maintenance Squadron ordnance maintenance mechanic, trains with the 192nd Fighter Wing ammunitions specialist building eight Mark 83 inert bombs for an exercise commemorating Maj. Gen. Billy Mitchell’s bombing of the German battleship Ostfriesland, at Langley Air Force Base, Va., July 10, 2016. Mitchell was an outspoken advocate for the importance of airpower who was demoted from brigadier general to colonel and posthumously promoted to major general by former President Franklin D. Roosevelt. (U.S. Air National Guard photo by Master Sgt. Carlos J. Claudio)