160507-N-TI017-168 ATLANTIC OCEAN (May 7, 2016) Sailors fire a .50 caliber machine gun during a live fire exercise aboard the dock landing ship USS Whidbey Island (LSD 41). Whidbey Island is underway with the Wasp Amphibious Ready Group participating in Composite Unit Training Exercise. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nathan R. McDonald/Released)