British commandos and U.S. Marines conduct security patrols in the Infantry Immersion Trainer at Camp Pendleton, California on July 15, 2014. The training event was part of exercise Burmese Chase, an annual exercise conducted to improve relationships between U.S. Forces and British military members. Over 40 role players participated in the training and the commandos used simunation rounds to make the training more realistic.
Film Credits: LCpl Joshua Murray