Senior Airman Jonathan Deem, 18th Aircraft Maintenance Squadron, Kadena Air Base, Japan, tells the pilot to hold by using hand signals before launching his F-15 Eagle on a training mission at Red Flag 10-2, Nellis Air Force Base, Nev., Feb. 2, 2010. Red Flag is a realistic combat training exercise involving the air forces of the United States and its allies. The exercise is conducted on the 15,000-square-mile Nevada Test and Training Range, north of Las Vegas. (U.S. Air Force photo/Tech. Sgt. Michael R. Holzworth/RELEASED)