On 27 March, the MEU and Essex ARG's priority became support to the isolated island of Oshima as part of Operation Tomodachi. Elements of the 31st MEU, including Marine Medium Helicopter Squadron 262 (Reinforced), Combat Logistics Battalion 31, 2nd Battalion 5th Marines and the command element went ashore on Oshima Island to remove debris, deliver critical supplies to the isolated area, and provide life support.U.S. friends dig deep for isolated island / Cut off after the tsunami tore up its port, Oshima gets lifeline from Operation Tomodachi
