28th Maintenance Squadron keeps B-1 in check
Airman 1st Class Zeeshan Khan, 28th Maintenance Squadron electrical and environmental journeyman, performs a service check on a gas-oxygen cart here, July 16. Airman Khan’s duty section is responsible for the maintenance on aircraft wiring and electrical controls, as well as required maintenance on B-1 environmental systems. (U.S. Air Force photo/Airman 1st Class Matthew Flynn)