SL-4 R/B
| Launched | 21 February 1966 |
| Flight ended | 28 April 1966 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 2071 |
| COSPAR ID | 1966-015B |
| Observing |