Luna Ye-8-5 No.405 (Luna 1970A), a Soviet uncrewed lunar sample-return attempt. Proton-K/Blok-D from Baikonur LC-81/23 failed on 6 February 1970 when the launch vehicle broke up shortly after liftoff, destroying the spacecraft.
- Outcome
- Failure
- Orbit
- LO
- Lunar orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 19th
- of 38 Proton / UR-500 K/D flights
- Date and time
- 6 February 1970, 04:16 UTC
- Rocket
- Proton / UR-500 K/D
- Builder
- Khrunichev
- Launch site
- 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Lunar Exploration
- Launches in 1970
- 11th of 124