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DELTA 1 R/B
Launch Details
| Launched | 11 June 1990 |
| Flight ended | 11 July 1990 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20644 |
| COSPAR ID | 1990-051B |
| Observing |