U.S. Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 266, 26th Marine Expeditionary Unit (MEU), perform general maintenance on a AH-1W Super Cobra in the hangar bay of the USS Kearsarge (LHD 3), at sea, Feb. 17, 2013. The 26th MEU is concluding its Composite Training Unit Exercise, the final phase of a six-month pre-deployment training program. The 26th MEU operates continuously across the globe, providing the president and unified combatant commanders with a forward-deployed, sea-based quick reaction force. The MEU is a Marine Air-Ground Task Force capable of conducting amphibious operations, crisis response and limited contingency operations. (U.S. Marine Corps photo by Cpl. Christopher Q. Stone/Released)