NELLIS AIR FORCE BASE, Nev. -- Airman 1st Class Joshua Koch, 20th Aircraft Maintenance Squadron crew chief from Shaw Air Force Base, S.C., helps 1st Lt. Greg Farrell, a 55th Fighter Squadron pilot from Shaw, strap into an F-16 Viper before a training mission at Red Flag 10-3 Feb. 23. Red Flag is a realistic combat-training exercise involving the air forces of the United States and its allies. The exercise is conducted on the 15,000-square-mile Nevada Test and Training Range, north of Las Vegas. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth/RELEASED)