U.S. Coast Guard Petty Officer 1st Class Ethan McKenzie, an aviation survival technician assigned to Coast Guard Air Station Barbers Point in Kapolei, Hawaii, enters the water from a free-fall deployment from an Coast Guard MH-65 Dolphin helicopter during training off the north shore of Oahu, Sep. 2, 2025. Coast Guard rescue swimmers undergo rigorous water survival drills, preparing to save lives in some of the most dangerous maritime environments. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)