Marine Lt. Col. Christopher S. Brown, a native of the

Marine Lt. Col. Christopher S. Brown, a native of the Silicon Valley of California and operations officer at Marine Corps Security Cooperation Group, low crawls under a squad of Marines and sailors during a combat fitness circuit course at the unit's monthly physical training event aboard Joint Expeditionary Base Little Creek - Fort Story, Va., Jan. 20. The Marines and sailors from MCSCG unite once-a-month to conduct challenging physical training sessions that promote teamwork, motivation and camaraderie within the unit.