U.S. Coast Guard Petty Officer 3rd Class Josiah McWhorter, an aviation maintenance technician 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 mobile oxygen masks to simulate smoke and fume elimination procedures. (U.S. Coast Guard photo by Petty Officer 2nd Class Tyler Robertson)