ATLANTIC OCEAN (Nov. 20, 2017) Damage Controlman 2nd Class Daniel Haley, from Pittsburgh, checks and recharges self-contained breathing apparatus tanks in the hangar bay of the amphibious assault ship USS Iwo Jima (LHD 7). Iwo Jima, components of the Iwo Jima Amphibious Ready Group and the 26th Marine Expeditionary Unit are conducting a Combined Composite Training Unit Exercise that is the culmination of training for the Navy-Marine Corps team and will certify them for deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Michael H. Lehman/Released)