The Lockheed Flatbed was a proposed cargo aircraft design from the 1980s that mounted large loads in the open on the back of the aircraft similar to a flatbed truck. The name flatbed was unofficial a more formal name was never assigned. Although there was a fair amount of public information released about the design in the early 1980s the design was never picked up by the US Air Force and disappeared by the mid-80s.
Made by Lockheed Corporation.