Spacecraft information: THORAD DELTA 1 R/B(1)
| Launched | 22 November 1974 |
| Flight ended | 7 December 1989 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7550 |
| COSPAR ID | 1974-094D |
| Observing |
Spacecraft information: THORAD DELTA 1 R/B(1)
| Launched | 22 November 1974 |
| Flight ended | 7 December 1989 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 7550 |
| COSPAR ID | 1974-094D |
| Observing |