U.S. Marine Corps Master Gunnery Sgt. Charles A. Walker, operations chief assigned to 4th Marine Regiment, supervises his Marines lay out cammie netting during the setup of the Fire Support Coordination Center (FSCC) aboard Camp Wilson, Twentynine Palms, Calif., Jan. 16th, 2015. The Marines assigned to 4th Marine Regiment are participating in this Integrated Training Exercise (ITX) to act as a command element for the Special Purpose Marine Air-Ground Task Force (SPMAGTF), in which 2nd Battalion, 3rd Marine Regiment falls under in preparation of their upcoming Unit Deployment Program (UDP) to Okinawa, Japan. (U.S. Marine Corps photo by Lance Cpl. Aaron S. Patterson, MCBH Combat Camera/Released)