A closer look
Senior Airman Samuel Griego and Airman 1st Class Tavi Carter-Smith, 509th Maintenance Squadron aerospace propulsion journeymen, inspect an exhaust tube in a test cell at Whiteman Air Force Base, Mo., Aug. 20, 2025. U.S. Air Force aerospace propulsion specialists test aircraft engines and diagnose problems, including the fuel, oil, electrical and engine airflow systems. (U.S. Air Force photo by Staff Sgt. Joshua Hastings)