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, surveys his surroundings during training off the north shore of Oahu Sept. 2, 2025. Coast Guard rescue swimmers undergo rigorous water survival drills, preparing to save lives in dangerous maritime environments. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)