U.S. Marines from Delta Company, Infantry Training Battalion (ITB), School of Infantry-East (SOI-E) take a break after completing their 10k hike before navigating their way through the obstacle course aboard, Camp Geiger, N.C., Oct. 04, 2013. Delta Company is the first company at ITB with female students as part of a measured, deliberate and responsible collection of data on the performance of female Marines when executing existing infantry tasks and training events, the Marine Corps is soliciting entry-level female Marine volunteers to attend the eight week basic infantryman and infantry rifleman training courses at ITB. (U.S. Marine Corps photo by Chief Warrant Officer 2 Mancuso, Paul S. Combat Camera, SOI-E/Released)