A USAF Boeing C-97/KC-97 Stratofreighter sits on the ramp outside an aircraft hangar, part of the global airlift and tanker network that connected American air bases from Hickam Field in Hawaii to the Azores and England during the Cold War. Derived from the B-29 Superfortress, these piston-engine giants formed the backbone of long-range military air transport before the jet age. Project: 218522