OPS 3491
| Launched | 9 July 1964 |
| Flight ended | 5 August 1964 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 828 |
| COSPAR ID | 1964-037A |
| Observing |
OPS 3491
| Launched | 9 July 1964 |
| Flight ended | 5 August 1964 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 828 |
| COSPAR ID | 1964-037A |
| Observing |