13th MEU's 81mm night fire...photos by Sgt Hector de Jesus

Corporal Beau Kroupa and Lance Cpl Nicholas Nelson with 81mm Mortar Platoon, Weapons Company, 2nd Battalion, 1st Marine Regiment, fires an 81mm mortar during Realistic Urban Training Exercise (RUTEX) at range 210 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Sept. 2, 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