161031-N-TI017-040 INDIAN OCEAN (Oct. 31, 2016) Petty Officer 3rd Class Juan Rivera mans the MK-38 25mm machine gun system controls in the pilot house of the amphibious dock landing ship USS Whidbey Island (LSD 41). Whidbey Island is deployed with the Wasp Amphibious Ready Group to support maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Petty Officer 2nd Class Nathan R. McDonald/Released)