Sgt. Randy Robles, Quantico Scout Sniper School instructor and Marine Corps Systems Command liaison, demonstrates the Mk13 Mod 7 Sniper Rifle during training aboard Marine Corps Base Quantico, Virginia. MCSC will field the Mk13 in late 2018 and throughout 2019 to increase the lethality and combat effectiveness of scout snipers on the battlefield. (U.S. Marine Corps photo by Kristen Murphy)