DELTA 1 R/B(2)
| Launched | 8 September 1980 | 
| Flight ended | 22 April 1981 | 
| Status | Decayed | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 12125 | 
| COSPAR ID | 1980-074D | 
| Observing | 
DELTA 1 R/B(2)
| Launched | 8 September 1980 | 
| Flight ended | 22 April 1981 | 
| Status | Decayed | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 12125 | 
| COSPAR ID | 1980-074D | 
| Observing |