150702-N-TW634-098 INDIAN OCEAN (July 2, 2015) Marines from the 31st Marine Expeditionary Unit conduct a live-fire exercise with M27 Infantry automatic rifles on the flight deck of the amphibious transport dock ship USS Green Bay (LPD 20). Green Bay is assigned to the Bonhomme Richard Expeditionary Strike Group and is on patrol in the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Derek A. Harkins/Released)