Soyuz 7K-L1 No.7L

Zond 1968A (Soyuz 7K-L1 No.7), an uncrewed circumlunar free-return test for the Soviet crewed lunar flyby program. Proton-K/Blok D from Baikonur Site 81 failed about 260 seconds after liftoff on 22 April 1968 when the second stage shut down, destroying the spacecraft.

Outcome

Failure

Payload to orbit

Did not reach orbit

Flight

6th

of 38 Proton / UR-500 K/D flights

Date and time

22 April 1968, 23:01 UTC

Rocket

Proton / UR-500 K/D

Builder

Khrunichev

Launch site

81/24 (81P), Baikonur Cosmodrome, Republic of Kazakhstan

Payload

Unknown

Launches in 1968

38th of 128