OPS 6889
| Launched | 12 February 1974 |
| Flight ended | 16 March 1974 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7121 |
| COSPAR ID | 1974-007A |
| Observing |
OPS 6889
| Launched | 12 February 1974 |
| Flight ended | 16 March 1974 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7121 |
| COSPAR ID | 1974-007A |
| Observing |