THORAD DELTA 1 R/B(1)
| Launched | 18 December 1974 |
| Flight ended | 18 April 1978 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7579 |
| COSPAR ID | 1974-101B |
| Observing |
THORAD DELTA 1 R/B(1)
| Launched | 18 December 1974 |
| Flight ended | 18 April 1978 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7579 |
| COSPAR ID | 1974-101B |
| Observing |