A crew chief pre flights an F-15 Eagle prior to take off from Andersen Air Force Base, Guam June 20, 2006 during Exercise Valiant Shield 2006. F-15C from Kadena Air Base, Okinawa, Japan and F-15E from Elmendorf Air Force Base, Alaska are participating in 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)
