Vostok 1K No. 4, a Soviet crewed-spacecraft precursor carrying dogs Kometa and Shutka on a Vostok-K from Baikonur; the capsule separated while the third stage was still firing and made a hard landing in Siberia—both dogs survived.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- of 13 Vostok-K flights
- Date and time
- 22 December 1960, 07:45 UTC
- Rocket
- Vostok-K
- Builder
- RKK Energia
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Test Flight
- Launches in 1960
- 38th of 38