DELTA 1 R/B(2)
| Launched | 21 May 1981 |
| Flight ended | 20 September 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12494 |
| COSPAR ID | 1981-049C |
| Observing |
DELTA 1 R/B(2)
| Launched | 21 May 1981 |
| Flight ended | 20 September 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12494 |
| COSPAR ID | 1981-049C |
| Observing |