Senior Airman Miles Shepperd, an aerospace ground equipment journeyman with the 1st Special Operations Maintenance Squadron, tightens a bolt on a munitions handling unit exhaust pipe at the AGE hangar on Hurlburt Field, Fla., Oct. 3, 2016. The MHU can carry over 6,500 pounds of ammunition. (U.S. Air Force photo by Senior Airman Krystal M. Garrett)