KC-135R Stratotanker is shown undergoing depot-level maintenance
A KC-135R Stratotanker is shown undergoing depot-level maintenance along with parts and supplies (foreground) which were likely acquired through the 448th Supply Chain Management Wing at Tinker Air Force Base, Oklahoma, Sept. 26, 2017. The 448th SCMW let $24.5 million worth of contracts in fiscal year 2017. (U.S. Air Force photo/Greg L. Davis)