A Marine with Company “G”, 2nd Battalion, 1st Marine Regiment, cuts through a barrier of concertina wire during a platoon attack mission during Realistic Urban Training Exercise (RUTEX) at range 410 Alpha aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Sept. 1, 2015. RUTEX provides Marines and Sailors of the 13th Marine Expeditionary Unit (13th MEU) an opportunity to perform and practice their duties while deployed in an urban environment. (U.S. Marine Corps photo by Sgt Hector de Jesus/Released)