U.S. Marines attending the Infantry Unit Leaders Course (IULC) at the Advanced Infantry Training Battalion, School of Infantry-East (SOI-E) stage prior to navigating through the Infantry Platoon Battle Course at Fort Pickett, V. A., supported by infantry Marines from the 1st Battalion of the 8th Marines, 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)