1968 Early. (Cancelled flight). The eighth manned flight, second multi-orbit flight, and final flight of the Dynasoar program would have the objectives to demonstrate maneuver in orbit and during re-entry, and a precision recovery. The inclination of the orbit would be adjusted three degrees using the transtage engine. During re-entry sustained flight would be made near the thermal limits of the spacecraft demonstrating an 1850 km cross-range capability.

• - 1968 Early - Dynasoar 10 (cancelled)  Spacecraft: Dynasoar.

  Planned date for eighth manned flight, second multi-orbit flight, and final flight of the Dynasoar program.

• Houchin II, Roy and Smith, Terry, Quest, "X-20 (7 articles)", 1994, Volume 3, Issue 4, page 4.

• Godwin, Robert, editor, Dyna-Soar: Hypersonic Strategic Weapons System, Collector's Guide Publishing, Ontario, Canada, 2003.. ISBN: 1896522955. Collection of contemporary documents covering the development and death of Dyna-Soar, as well as a DVD with video of promotional films and systems tests. More at amazon.com...