180410-N-PC620-0003 U.S. 5TH FLEET AREA OF OPERATIONS (April, 10 2018) Chief Machinist's Mate Marsell Yera briefs Sailors prior to an engineering training drill in the forward machinery room aboard the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7). Iwo Jima, homeported in Mayport, Fla., is on a scheduled deployment to the U.S. 5th Fleet area of operations in support of maritime security operations to reassure allies and partners, and preserve the freedom of navigation and the free flow of commerce in the region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Michael H. Lehman/Released)