1967 Fall. (Cancelled flight). Objectives of the sixth manned Dynasoar single-orbit flight were to demonstrate maneuver in orbit and during re-entry, and a precision recovery. The use of aerodynamic range control during an early re-entry would be tested, as well as the dynamic stability and aerothermal maneuver in pitch, yaw, and roll during re-entry.

• - 1967 Fall - Dynasoar 8 (cancelled)  Spacecraft: Dynasoar.

  Planned date for sixth manned flight of the X-20 Dynasoar.

• 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...