180605-N-ZG607-0055 U.S. 5th FLEET AREA OF OPERATIONS (June 5, 2018) Marine Corps Sgt. Nicholas Gardener, left, and Marine Corps Cpl. Sebastian Douglass, both assigned to Marine Medium Tiltrotor Squadron (VMM) 162 (Reinforced), troubleshoot communications and breathing functionality on the HGU-84/P aviators helmet in the flight equipment work center aboard the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7), June 5, 2018. Iwo Jima, homeported in Mayport, Fla., is on 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 Dominick A. Cremeans/Released)