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OPS 5268
Launch Details
| Launched | 16 February 1971 |
| Flight ended | 19 September 1989 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 4958 |
| COSPAR ID | 1971-012D |
| Alternative names |
CALSPHERE 4 |
| Observing |