U.S. Air Force Senior Airman Roland Sperbeck, survival aircrew flight equipment technician with the 1st Operations Support Squadron, begins an in-progress inspection of an Aces II parachute at Langley Air Force Base, Va., Dec. 3, 2012. These parachutes have a one-year repack cycle, and a full inspection can take up to four hours to complete. (U.S. Air Force photo by Staff Sgt. Katie Gar Ward/Released)