OPS 6239
| Launched | 28 October 1974 |
| Flight ended | 22 January 1980 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7498 |
| COSPAR ID | 1974-085B |
| Observing |
OPS 6239
| Launched | 28 October 1974 |
| Flight ended | 22 January 1980 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7498 |
| COSPAR ID | 1974-085B |
| Observing |