170304-N-JH293-037 EAST CHINA SEA (March 4, 2017) Marines assigned to Battalion Landing Team 2nd Battalion, 5th Marines, participate in a defense of the amphibious task force gunnery exercise aboard the amphibious transport dock ship USS Green Bay (LPD 20). The ship is on a routine patrol, operating in the Indo-Asia-Pacific region to enhance partnerships and be a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 1st Class Chris Williamson/Released)