Sheppard in Photos
Airman Paul Kelly, 361st Training Squadron aerospace propulsion apprentice course student, installs a starter control valve on a C-130 Hercules J-model engine. The valve allows air to reach the starter in order to start the engine. Kelly and his classmates are on the ninth and final block of the course and are scheduled to graduate on Nov. 17. (U.S. Air Force photo by Senior Airman Robert L. McIlrath)

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Photo by: Senior Airman Robert L. McIlrath |  VIRIN: 171102-F-ZC626-0003.JPG