EIELSON AIR FORCE BASE, Alaska -- Master Sgt. Adnan Akpinar of the Turkish Air Force goes through a pre-flight inspection on a Turkish F-16 July 16. Red Flag-Alaska, a series of Pacific Air Forces commander-directed field training exercises for U.S. forces, provides joint offensive counter-air, interdiction, close air support, and large force employment training in a simulated combat environment. (U.S. Air Force photo by Airman 1st Class Christopher Griffin)