U.S. Coast Guard Petty Officer 3rd Class Markus Warnock, an aviation survival technician assigned to Coast Guard Air Station Barbers Point in Kapolei, Hawaii, gives a hand signal to the flight mechanic on a Coast Guard MH-65 Dolphin helicopter during a training exercise in Kaneohe Bay, Hawaii Nov. 12, 2025. Vertical surface hoist training enhances the Coast Guard’s ability to respond to emergencies along shorelines, cliffs, and other high-risk environments. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)