Marines assigned to Amphibious Assault Vehicle (AAV) Platoon, Battalion Landing Team 3/2, 26th Marine Expeditionary Unit (MEU), work in the darkness of night to diagnose a mechanical fault in one of the unit's AAVs during an exercise in the 5th Fleet area of responsibility April 27, 2013. The 26th MEU is currently deployed as part of the Kearsarge Amphibious Ready Group to the 5th Fleet area of responsibility. 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. Michael S. Lockett/Released)