History of the X-20A Dyna-Soar. Volume I. Open PDF Document Details Document Type Technical Report Publication Date Oct 01, 1963 Accession Number ADA951933 Entities People Clarence J. Geiger Tags Communities of Interest Air Platforms Space Weapons Technologies DTIC Thesaurus Topics Air Force Aircraft Equipment Aircraft Industry Aircrafts Airframes Ballistic Missiles Boost Glide Vehicles Employment Intercontinental Ballistic Missiles Rocket Engines Rockets Space Systems Spacecraft Strategic Weapons Systems Management Test And Evaluation Test Facilities