U.S. Coast Guard Lt. Camden Cecchini, a pilot assigned to Coast Guard Air Station Barbers Point in Kapolei, Hawaii, dons an oxygen mask during a training flight offshore Maui May 1, 2025. Coast Guard HC-130 Hercules airplane crews routinely practice using oxygen masks to simulate in-flight emergencies such as smoke and fume elimination and emergency depressurization above 10,000 feet. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)