An F-16 Fighting Falcon from the 64th Aggressor Squadron at Nellis Air Force Base, Nev., taxis down the runway at Eielson AFB, Alaska, April 6 for a Red Flag-Alaska 07-1 orientation flight. The exercise, formerly known as Cope Thunder, provides joint offensive counter-air, interdiction, close-air support and large-force employment training in a simulated combat environment. Red Flag-Alaska runs through April 20. (U.S. Air Force photo/Senior Airman Justin Weaver).