Surveyor SD-4
Launch Success
Liftoff Time (GMT)
11:12:00
Wednesday October 26, 1966
Watch Replay
Official Livestream
Mission Details
Launch Notes
Performed the first-ever liquid hydrogen rocket engine restart in space.
Surveyor SD-4
American lunar probe.
Geostationary Transfer Orbit
1 Payload
951 kilograms
Rocket
Launch Site
Stats
Atlas-Centaur
10th
Mission
4th
Mission of 1966
1966
105th
Orbital launch attempt