OpsLens

20 Radical Military Airplanes that Didn’t Make the Cut

Martin Marietta X-24B

The Air Force returned one of the X-24A lifting bodies to Martin Marietta in 1973 to modify into a “flying flatiron” design, which features a higher lift-to-drag ratio and more closely resembles the space shuttle, which was then known as the Integrated Launch and Re-entry Vehicle concept.