Senior Airman Joshua Roberts practices rappelling during a field training exercise. U.S. Air Force Senior Airman Joshua Roberts, assigned to the 4th Combat Camera Squadron, practices rappelling during a field training exercise at Winter Quick Shot 2012 in Azusa, Calif., on Feb. 16, 2012. Quick Shot is a semi-annual field exercise designed to train combat camera personnel to operate in a combat environment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 779368-F-SXH95-700.jpg Photo Gallery