Eight KC-135 Stratotanker aircraft assigned to the 171st Air Refueling Wing perform an elephant walk during a Nuclear Operational Readiness Inspection, Aug. 27, 2022, near Pittsburgh, Pennsylvania. (U.S. Air National Guard photo by Staff Sgt. Zoe M. Wockenfuss) #kc135 #kc135stratotanker #airforce #usaf #airmen #aircraft