LIVE-FIRE SKILLS A U.S. Marine fires an M249 squad automatic weapon at multiple targets during a live-fire training exercise on Camp Hansen, Okinawa, Japan, Dec. 12, 2012. The Marines and sailors used the training to refresh their skills in crew-served weapons. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 024547-C-RXI15-769.jpg Photo Gallery