Launch Failure
Liftoff Time (GMT)
20:18:00
Thursday July 3, 1969
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The launch failed shortly into flight due to faulty engines and a bolt that was sucked into a fuel pump. The resulting explosion was the largest in the history of spaceflight and one of the largest artificial non-nuclear explosions in human history. The launch pad suffered significant damage.
The Zond L1S-2 spacecraft was going to enter Lunar orbit and take pictures of possible crewed landing sites.
Trans Lunar Injection
1 Payload
8,428 kilograms
The LK Model was a mass representative of the Soviet LK crewed lunar lander. The LK spacecraft can be subdivided into the lunar landing aggregate ("Lunnyi Posadochnyi Agregat", "LPA") and the lunar ascent vehicle, ("Lunnyi Vzletnyi Apparat", "LVA'"). Propulsion, both for landing and lifting off the Moon was based on the Blok E propulsion system. The Information Display System (spacecraft control panels and controls) version was called Luch.
Trans Lunar Injection
1 Payload
4,983 kilograms
2nd
Mission
2nd
Mission of 1969
416th
Mission
42nd
Mission of 1969
66th
Orbital launch attempt