150314-N-KE519-210 EAST CHINA SEA (March 14, 2015) - Culinary Specialist Seaman Leroy Collins fires a .50-caliber machine gun under the observation of Fire Controlman 2nd Class Tanner McCaskill during a live-fire exercise aboard the forward deployed San Antonio-class amphibious transport dock ship USS Green Bay (LPD 20). Green Bay is part of the Bonhomme Richard Amphibious Ready Group (ARG) and, along with the embarked 31st Marine Expeditionary Unit (MEU), is currently conducting a certification exercise. (U.S. Navy photo by Mass Communication Specialist 3rd Class Edward Guttierrez III/Released)