A three-ship of F-16 Fighting Falcons from the 421st Fighter Squadron, Hill Air Force Base, Utah, fly alongside a KC-135 Stratotanker from Tinker Air Force Base, Okla., during Red Flag 12-4 July 20, 2012, over the Nevada Test and Training Range. The 421 FS prepares to deploy worldwide to conduct Day/Night air superiority and precision strike sorties employing laser-guided and inertially aided munitions during contingencies and combat.