Staff Sgt. James George inspects a pitot tube on an F-16 Fighting Falcon for dents and debris April 17 during Red Flag-Alaska at Eielson Air Force Base, Alaska. Red Flag-Alaska is a Pacific Air Forces-directed field training exercise for U.S. and coalition forces who fly under simulated air-combat conditions. Sergeant George is a crew chief assigned to the Iowa Air National Guard's 132nd Fighter Wing from Des Moines. (U.S. Air Force photo/Senior Airman Christopher Boitz)