NELLIS AIR FORCE BASE, Nev. -- F-16 Fighting Falcons deployed from the 480th Fighter Squadron, Spangdahlem Air Base, Germany, sit on the flightline in front of the Las Vegas skyline Jan. 22 before the beginning of Red Flag 11-2. Red Flag is a combined exercise that provides a realistic combat training environment to the U.S. and its allies. (U.S. Air Force photo/Staff Sgt. Benjamin Wilson)