Zond 4 (Soyuz 7K-L1 s/n 6), an uncrewed Soviet circumlunar-path test of the L1 crew capsule launched on a Proton-K/Blok D from Baikonur Site 81; it reached a ~400,000 km apogee away from the Moon, then self-destructed during a failed guided re-entry over the Gulf of Guinea.
- Outcome
- Success
- Payload to orbit
- 6 T (est.)
- Flight
- 5th
- of 38 Proton / UR-500 K/D flights
- Date and time
- 2 March 1968, 18:29 UTC
- Rocket
- Proton / UR-500 K/D
- Builder
- Khrunichev
- Launch site
- 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Unknown
- International designator
- 1968-013
- Launches in 1968
- 14th of 128
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Space Atlas shows the satellites and rocket stages from this launch in 3D.
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