Atlas Centaur | Surveyor Mass Model

Surveyor-Model was a dummy mass onbaord of Centaur AC-4, launched on 11 December 1964, which was to test the closed loop Honeywell guidance system and perform the first restart of cryogenic RL10A-3 engines in space.

Mission type: Test Flight · Orbit: Low Earth Orbit

Rocket: Atlas Centaur · Provider: United States Air Force