Red Flag 12-2
A U.S. Air Force B-1B Lancer taxis out before a training mission over the Nevada Test and Training Range during Red Flag 12-2 Jan. 24, 2011, at Nellis Air Force Base, Nev. Red Flag is a realistic combat training exercise involving the air forces of the United States and its allies. The exercise is hosted north of Las Vegas on the NTTR. (U.S. Air Force photo by Senior Airman Brett Clashman)