X-20 Dynasoar Credit - © Mark Wade

1966 Late. (Cancelled flight). Objectives of the second manned Dynasoar single-orbit flight were to demonstrate maneuver in orbit and during re-entry, and systems evaluation. Orbital attitude maneuvers would have been made to plus/minus 90 degrees in all axes, including visual reference checks. During re-entry control maneuvers would be made at pitch angles of from 10 to 50 degrees with a 3000 m altitude margin.

• - 1966 Late - Dynasoar 4 (cancelled)  Spacecraft: Dynasoar.

  Planned date for second manned Dynasoar single-orbit flight.