EIELSON AIR FORCE BASE, Alaska -- A member of the Spanish Air Force, 12th Fighter Wing, Torrejon Air Base, Spain, cleans the inside canopy of an F-18 hornet July 10. 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