Airmen 1st Class Kevin Bozgoz, crew chief apprentice, and Gideon Warren, avionic specialist apprentice, 20th Fighter Wing, 79th Aircraft Maintenance Unit, Shaw Air Force Base, S.C., performs a final preflight prior to disconnecting communications during the kickoff of Red Flag 14-3 on Nellis AFB, Nev., July 14, 2014. Red Flag is a realistic combat training exercise involving the air forces of the U.S. and its allies and is being led this iteration by the 28th Bomb Wing from Ellsworth AFB, S.D. (U.S. Air Force photo by Tech. Sgt. Jerry Fleshman/Released)