Marines with tank platoon, Battalion Landing Team 2nd Battalion, 1st Marines (BLT 2/1), 11th Marine Expeditionary Unit, from inside of an M1A1 Abrams tank, fire the M2 .50 caliber machine gun on static targets during Realistic Urban Training Marine Expeditionary Unit Exercise 14-1 (RUTMEUEX) at Camp Roberts, Calif., March 20, 2014. RUTMEUEX will prepare the 11th MEU Marines for their upcoming deployment, enhancing Marines' combat skills in environments similar to those they may find in future missions. (U.S. Marine Corps photo by Gunnery Sgt. Rome M. Lazarus/Released)