Aircraft maintainers work on their F-15E at Andersen Air Force Base, Guam June 20, 2006 during Exercise Valiant Shield 2006. The F-15E is from Elmendorf Air Force Base, Alaska. Valiant Shield 2006 an intergraded joint training exercise among U.S. military forces and is the first of what will become a biennial exercise. (U.S. Air Force photo by Tech. Sgt. Shane A. Cuomo)
