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, gives a hand signal to the flight mechanic while being lowered from a Coast Guard MH-65 Dolphin helicopter during training off the north shore of Oahu, Sep. 2, 2025. Coast Guard rescue swimmers often deploy to evacuate sick or injured passengers from cruise ships hundreds of miles offshore. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)