Four F-16 Fighting Falcons from the 124th Fighter Squadron in De Moines sit on the tarmac at Eielson Air Force Base, Alaska, in preparation for Red Flag-Alaska 09-2 April 16. Red Flag-Alaska is a Pacific Air Forces-directed field training exercise for U.S. and coalition forces flown under simulated air-combat conditions. It is conducted on the Pacific Alaska Range Complex with air operations flown out of Eielson and Elmendorf Air Force Bases. (U.S. Air Force photo/Senior Airman Jonathan Snyder)