U.S. Marine Corps Sgt. Ulises Flores carries an artillery projectile to load an M777A2 lightweight 155 mm howitzer during a fire mission while participating in an air assault course on Bradshaw Field Training Area, Northern Territory, Australia, June 29, 2015. U.S. Marine Corps Sgt. Ulises Flores carries an artillery projectile to load an M777A2 lightweight 155 mm howitzer during a fire mission while participating in an air assault course on Bradshaw Field Training Area, Northern Territory, Australia, June 29, 2015. SHARE: Download: Full Size (0.80233 MB) Tags: photo essays Credit: VIRIN: 007316-B-MGF17-423.jpg Photo Gallery