Art of War: fifth-gen, allies train to defeat future adversaries
U.S. Air Force Maj. Nathaniel Lightfoot, 71st Fighter Training Squadron aggressor pilot, deplanes after a combat training mission during ATLANTICTRIDENT 17 at Joint Base Langley-Eustis, Va., April 18, 2016. The aggressors are the aerial adversaries of the exercise, which focuses on harnessing fifth-generation capabilities with fourth generation fighters from partnering nations. (U.S. Air Force photo/Staff Sgt. Natasha Stannard)