A U.S. Air Force A-10 Thunderbolt II aircraft with 442nd Fighter Squadron takes off from the flight line during the first day of exercise Red Flag 11-2 at Nellis Air Force Base, Nev., Jan. 24, 2011. Red Flag is a combined exercise that provides a realistic combat training environment to the United States and its allies. (DoD photo by Staff Sgt. Benjamin Wilson, U.S. Air Force/Released)