U.S. Air Force Staff Sgt. Trevor Woodruff, 100th Aircraft Maintenance Squadron flying crew chief and instrument and flight control systems craftsman, conducts routine maintenance aboard a KC-135 Stratotanker at RAF Mildenhall, England, Feb. 8, 2019. The 100th AMXS is comprised of six Air Force specialties: crew chiefs, hydraulics, electricians, propulsion, communication/navigation and instrument flight control systems Airmen. (U.S. Air Force photo by Airman 1st Class Brandon Esau)

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Photo by: Brandon Esau |  VIRIN: 190208-F-QO224-1129.JPG