U.S. Marines assigned to Delta Company, 1st Tanks Battalion, 1st Marine Division, use their M1A1 Abram Tanks to set up 360 degree security before nightfall during Integrated Training Exercise (ITX) 2-15 at the Delta Prospect Training Area aboard Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Feb. 1st, 2015. ITX 2-15, being executed by Special Purpose Marine Air-Ground Task Force 4 (SPMAGTF-4), is being conducted to enhance the integration and warfighting capability from all elements of the MAGTF. (U.S. Marine Corps photo by Lance Cpl. Aaron S. Patterson, MCBH Combat Camera/Released)