U.S. Air Force Senior Airman Robert Harold, loadmaster with the 22nd Airlift Squadron, Travis Air Force Base, Calif., secures a pulley on a C-5M Super Galaxy at Hilo International Airport, Hawaii, May 15, 2018. The aircrew delivered the double recirculating cement mixer trailer to Hawaii in support of Kilauea volcano relief efforts. (U.S. Air Force photo by Louis Briscese)