Marines with 3rd Low Altitude Air Defense Battalion (LAAD) fire stinger missiles during a live shoot in the National Training Center on Fort Irwin (NTC), California, August 10. Marines also fired the 50 Caliber sniper rifle and the M240B machine gun during the five-day annual training. (U.S. Marine Corps photo by Lance Cpl. Kimberlyn Adams/Released) - Marines with 3rd Low Altitude Air Defense Battalion (LAAD) fire stinger missiles during a live shoot in the National Training Center on Fort Irwin (NTC), California, August 10. Marines also fired the 50 Caliber sniper rifle and the M240B machine gun during the five-day annual training. (U.S. Marine Corps photo by Lance Cpl. Kimberlyn Adams/Released)