U.S. Marines with the Force Reconnaissance Detachment, 15th Marine Expeditionary Unit, and British Royal Marines gather for a safety brief while conducting bilateral training during realistic urban training aboard Fort Hunter Liggett, Calif., Dec. 11, 2014. RUT prepares the 15th MEU's Marines for their upcoming deployment, enhancing their combat skills in environments similar to those they may find in future missions. (U.S. Marine Corps photo by Cpl. Steve H. Lopez/Released)