U.S. Marine Corps Gunnery Sgt. Michael Valora, course chief for Infantry Unit Leaders Course (IULC) at the Advanced Infantry Training Battalion, School of Infantry-East (SOI-E) looks on as students and Marines of the 1st Battalion of the 8th Marines employ a machine gun position in support of the movement through the Infantry Platoon Battle Course at Fort Pickett, V. A., Aug. 27, 2013. IULC is a course designed for Marine infantry staff noncommissioned officers that prepares them for the rigors of being a platoon sergeant in an infantry platoon. (U.S. Marine Corps photo by Chief Warrant Officer 2 Paul S. Mancuso, Combat Camera, SOI-E/Released)