Northrop HL-10 (Model)
In mid-1964 Northrop Corporation was contracted by the U.S. National Aeronautics and Space Administration (NASA) to produce two allmetal wingless lifting body re-entry research vehicles, based on experience gained with the Northrop M2-F1 glider, which made more than 500 flights in 1963-64. The two new vehicles were designated M2-F2 and HL-10 (Horizontal Landing, 10th concept)…