Red Flag 16-4: challenge issued, challenge accepted
Maj. Gen. Glen VanHerck, United States Air Force Warfare Center commander, speaks to players of Red Flag 16‐4 at Nellis Air Force Base, Nev., Aug. 14, 2016. The first Red Flag exercise took place 40 years ago and has since evolved into one of the world’s most premier combat training exercises a pilot can attend. (U. S. Air Force photo by Tech. Sgt. Frank Miller/Released)