OPS 3684
| Launched | 5 July 1964 |
| Flight ended | 7 July 1964 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 825 |
| COSPAR ID | 1964-036A |
| Observing |
OPS 3684
| Launched | 5 July 1964 |
| Flight ended | 7 July 1964 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 825 |
| COSPAR ID | 1964-036A |
| Observing |