U.S. Marine Corps Cpl. Darek Kelsey, right, makes adjustments to an M40A5 sniper rifle at a live-fire range on Camp Leatherneck in Afghanistan's Helmand province, March 23, 2013. Kelsey, a scout sniper, is assigned to the 3rd Battalion, 4th Marine Regiment. U.S. Marine Corps Cpl. Darek Kelsey, right, makes adjustments to an M40A5 sniper rifle at a live-fire range on Camp Leatherneck in Afghanistan's Helmand province, March 23, 2013. Kelsey, a scout sniper, is assigned to the 3rd Battalion, 4th Marine Regiment. SHARE IMAGE: Download Image: Full Size (3.63 MB) Tags: Photo Essays Photo By: VIRIN: 750176-L-LXI23-081.jpg Photo Gallery