U.S. Coast Guard Petty Officer 2nd Class Joshua Vaughn, an aviation survival technician assigned to Coast Guard Air Station Barbers Point in Kapolei, Hawaii, gives a hand single to the Barbers Point MH-65 Dolphin helicopter during training at Bellows Air Force Base in Waimanalo, Hawaii, April 29, 2026. During hoisting operations aviation survival technicians will use hand signals to communicate with the helicopter flight mechanic, the thumbs up signal is used to indicate a ready for pick-up. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)