DELTA 1 R/B(1)
| Launched | 5 February 1975 |
| Flight ended | 5 April 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7650 |
| COSPAR ID | 1975-011B |
| Observing |
DELTA 1 R/B(1)
| Launched | 5 February 1975 |
| Flight ended | 5 April 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7650 |
| COSPAR ID | 1975-011B |
| Observing |