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OPS 4639
Launch Details
| Launched | 23 December 1965 |
| Flight ended | 19 January 1966 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1866 |
| COSPAR ID | 1965-110A |
| Observing |
Launched alongside
OPS 4639 DEB