A CH-46 Sea Knight leaves the flight deck of the USNS Tippecanoe after taking on cargo during a replenishment at sea with the forward-deployed amphibious dock landing ship USS Germantown and USS Tortuga. Germantown, with embarked elements of the 31st Marine Expeditionary Unit, is currently underway after participating in Exercise Cobra Gold 2012, an annual Thai-U.S. co-sponsored joint and multinational exercise designed to advance security throughout the Asia-Pacific region and enhance interoperability with participating nations.