U.S. Marine Corps Lance Cpl. Stephen Johnson, left, instructs U.S. Marine Corps Lance Cpl. Christian Moore on his targets during a machine gun shoot in the Kajaki district in Afghanistan's Helmand province, Oct. 6, 2013. Johnson and Moore, machine gunners, are assigned to Lima Company, 3rd Battalion, 7th Marine Regiment. U.S. Marine Corps Lance Cpl. Stephen Johnson, left, instructs U.S. Marine Corps Lance Cpl. Christian Moore on his targets during a machine gun shoot in the Kajaki district in Afghanistan's Helmand province, Oct. 6, 2013. Johnson and Moore, machine gunners, are assigned to Lima Company, 3rd Battalion, 7th Marine Regiment. SHARE: Download: Full Size (2.27 MB) Tags: Photo Essays Credit: VIRIN: 942406-X-NLR90-577.jpg Photo Gallery