141007-F-VJ538-057
Staff Sgt. Daryl Heberling, 319th Special Operations Squadron aircrew flight equipment craftsman, attaches a carbon dioxide bottle to a Life Preserver Unit at the 1st Special Operations Group Detachment 1 building on Hurlburt Field, Fla., Oct. 7, 2014. After inflating, a six-hour leak test will be performed to ensure there are no problems with the LPU. (U.S. Air Force photo/Senior Airman Krystal M. Garrett)