X-20 by George Mathis

330-PSA-279-62 (USAF 167026): Artwork by George Mathis of how the Air Force Titan III Standard Launch Vehicle may look boosting the United States Air Force X-20 (Dyna-Soar) into orbit, August 1962.

X-20 Dyno-Soar at Astronautix

Image credit: Boeing

Image source: National Museum of U.S. Navy