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SL-4 R/B
Launch Details
| Launched | 21 August 1989 |
| Flight ended | 28 August 1989 |
| Status | Decayed |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20189 |
| COSPAR ID | 1989-065B |
| Observing |