DELTA 1 R/B(1)
| Launched | 12 December 1975 |
| Flight ended | 6 August 1976 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 8478 |
| COSPAR ID | 1975-117B |
| Observing |
DELTA 1 R/B(1)
| Launched | 12 December 1975 |
| Flight ended | 6 August 1976 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 8478 |
| COSPAR ID | 1975-117B |
| Observing |