Photos

Lance Cpl. Nathaniel Cintron, 5th Battalion 14 Marines cannoneer, pulls a lanyard to activate the firing mechanism in the M777 A2 Howitzer Aug. 15, 2015, in Guernsey, Wyoming. As the number one man on the gun, his job is to fire the M777 A2 Howitzer when given the command ‘fire’ by the gun chief. (U.S. Air Force photo by Airman 1st Class Luke W. Nowakowski/Released)