171113-N-OW019-018 ARABIAN GULF (Nov. 13, 2017) Engineman 2nd Class Brendan MacDonald (left), a native of Boston, and Engineman 2nd Class Nellisha Gonzales, a native of Los Angeles, both assigned to the engineering department aboard the amphibious dock landing ship USS Pearl Harbor (LSD 52), conduct routine maintenance on a main engine in the ship’s main space. Pearl Harbor is deployed in the U.S. 5th Fleet area of operations in support of maritime security operations designed to reassure allies and partners, and preserve the freedom of navigations and the free flow of commerce in the region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Logan C. Kellums/Released)