190312-N-DX072-1218 APRA HARBOR, Guam (March 12, 2019) Marines assigned to the 31st Marine Expeditionary Unit return to Landing Craft, Utility (LCU) 1651, assigned to Naval Beach Unit (NBU) 7, during a simulated beach raid. The amphibious transport dock ship USS Green Bay (LPD 20), part of the Commander Amphibious Squadron 11, is operating in the region to enhance interoperability with partners and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 2nd Class Anaid Banuelos Rodriguez/Released)