SrA Jeffery Blaufuss, a weapons loader from the 144th Fighter Wing, Fresno, CA, replaces the argon bottle on a Aim 9 missle mounted on an F-16 after the second mission during Combat Archer, a weapon systems academics exercise, at Tyndall AFB, FL on February 5, 2007. (U.S. Air Force photo by SMSgt Chris Drudge)(released)