NELLIS AIR FORCE BASE, Nev. -- Maintenance officers from the Pakistan Air Force oversee an early morning launch of their F-16s during Red Flag 10-4 at Nellis on July 26, 2010. The U.S. Air Force is hosting approximately 100 Pakistan Air Force pilots and support personnel at the world's premier large force employment and integration exercise July 17-31 at Nellis Air Force Base, Nev. This is the PAF's first time participating in the Red Flag exercise. (U.S. Air Force photo/Lawrence
