U.S. Marine Corps Gunnery Sgt. James S. Lock, left, an administrative advisor for the Afghan National Army (ANA) 2nd Brigade, 215th Corps, and originally assigned to 2nd Tank Battalion, shares a moment with an ANA officer on Forward Operating Base Nolay, Helmand province, Afghanistan, Nov. 22, 2012. Lock frequently interacts with ANA members to help facilitate his job as well as maintain good rapport with his counterparts. (U.S. Marine Corps photo by Cpl Alejandro Pena/Released)