DELTA 1 R/B(2)
| Launched | 21 October 1977 |
| Flight ended | 30 October 1987 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10425 |
| COSPAR ID | 1977-102D |
| Observing |
DELTA 1 R/B(2)
| Launched | 21 October 1977 |
| Flight ended | 30 October 1987 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10425 |
| COSPAR ID | 1977-102D |
| Observing |