ATLANTIC OCEAN (Oct. 10, 2016) – Sailors from Helicopter Maritime Strike Squadron Seven Two (HSM 72) perform pre-flight checks on an MH-60 Knighthawk aboard amphibious assault ship USS Iwo Jima (LHD 7). Iwo Jima and the 24th Marine Expeditionary Unit are underway to provide disaster relief and humanitarian aid to Haiti following Hurricane Matthew. (U.S. Navy photo by Petty Officer 2nd Class Hunter S. Harwell/Released)