U.S. Air Force Capt. Brian Morrissey (right), a pilot assigned to the 480th Fighter Squadron, Spangdahlem Air Base, Germany, conducts preflight checks on an F-16 Fighting Falcon aircraft before a night training mission at Nellis Air Force Base, Nev., during Red Flag 11-2 on Feb. 2, 2011. Red Flag is a combat training exercise involving the air forces of the United States and its allies.