EIELSON AIR FORCE BASE, Alaska -- A B-1B Lancer from Ellsworth Air Force Base, South Dakota, crosses in front of the sun before landing here on Apr 3 for Red Flag-Alaska 07-1. 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 Staff Sgt Joshua Strang)
