OPS 3890
| Launched | 4 February 1969 |
| Flight ended | 23 February 1969 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3672 |
| COSPAR ID | 1969-010A |
| Observing |
OPS 3890
| Launched | 4 February 1969 |
| Flight ended | 23 February 1969 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3672 |
| COSPAR ID | 1969-010A |
| Observing |