U.S. Marine Corps Gunnery Sgt. Ronald Morrison, combat instructor, Infantry Unit Leaders Course (IULC), Advanced Infantry Training Battalion, School of Infantry-East (SOI-E) calculates targets for the impending live fire range on the Infantry Platoon Battle Course at Fort Pickett, V. A., Aug. 26, 2013. IULC is a course designed for Marine infantry staff non commissioned 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)