Oil change
Senior Airman Hazel Luna, 15th Maintenance Squadron aerospace propulsion journeyman, removes an oil filter of a C-17 Globemaster III on Joint Base Pearl Harbor-Hickam, Hawaii, Aug. 13, 2024. During the routine maintenance, Airmen performed an oil change to alternators that provide power to the aircraft’s engines. (U.S. Air Force photo by Senior Airman Mark Sulaica)