From Build to Boom: Munitions Line Drivers
Senior Airman Marcus Montgomery, 1st Special Operations Equipment Maintenance Squadron munitions line delivery driver, removes the lid from a 40mm round container on Hurlburt Field, Fla., Dec. 6, 2013. The 40mm rounds come in several variations from armor piercing projectiles to highly explosive incendiary. (U.S. Air Force photo/Staff Sgt. John Bainter)