U.S. Air Force STAFF SGT. Kevin Skaggs of the 95th Aircraft Maintenance Unit, Tyndall Air Force Base, Fla., gives the thumbs up sign while loading an AIM-120A Advanced Medium Range Air-to-Air Missile (AMRAAM) on an aircraft during exercise William Tell 2004 at Tyndall AFB on Nov. 8, 2004. This is the 50th Anniversary of the William Tell competition, an exercise that tests an aircrew's ability to perform under combat conditions. (USAF PHOTO by STAFF SGT. Tanika Bell) (Released)