230112-F-QO967-1068
U.S. Air Force Senior Airman Zachary Knighton, 9th Maintenance Squadron aerospace propulsion technician, mounts an ignition exciter to a U-2 Dragon Lady motor Jan. 12, 2023, at Beale Air Force Base, Calif. The ignition exciter mounting served as a performance exam, monitored by quality assurance Airmen, to ensure correct procedures are being followed. (U.S. Air Force photo by Airman 1st Class Juliana Londono)