U.S. Marines assigned to Headquarters and Support Battalion, Marine Corps Installations-East, load magazines with Simunition® cartridges prior to conducting urban operations training at Range Combat Town aboard Camp Lejeune, N.C., May 30, 2014. Non-commissioned officers (NCOs) led junior Marines in the training against staff NCOs and officers, and were mentored by instructors from School of Infantry-East. (U.S. Marine Corps photo by Sgt. Christopher Q. Stone, COMCAM, MCI-East, Camp Lejeune/Released)