LOX helps aircrew bretahe
Senior Airman James Edwards, 1st Special Operations Component Maintenance Squadron electrical and environmental journeyman, troubleshoots a leaking liquid oxygen cart on Hurlburt Field, Fla., Dec. 3, 2013. After troubleshooting the LOX cart, Edwards repaired the leak using a technical order. Technical orders are step-by-step instruction manuals maintainers use to fix equipment. (U.S. Air Force photo/Krystal M. Garrett)