A Marine with 2nd Battalion, 2nd Marine Regiment, carries the pack of another Marine who was being carried on a stretcher during a hike aboard Camp Lejeune, North Carolina, March 20, 2015. The unit conducted the nine-mile march in preparation for an upcoming rotation to Okinawa, Japan, as part of the unit deployment program. (U.S. Marine Corps photo by Cpl. Elizabeth A. Case/Released)