OPS 1664
| Launched | 13 January 1967 |
| Flight ended | 1 February 1967 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2642 |
| COSPAR ID | 1967-002A |
| Observing |
Launched alongside
OPS 1664 DEBOPS 1664
| Launched | 13 January 1967 |
| Flight ended | 1 February 1967 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2642 |
| COSPAR ID | 1967-002A |
| Observing |
Launched alongside
OPS 1664 DEB