| Operation Whetstone | |
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Rubble mound formed by the Sulky shot.
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| Information | |
| Country | United States |
| Test site |
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| Period | 1964-1965 |
| Number of tests | 46 |
| Test type | cratering, underground shaft, underground tunnel |
| Max. yield | 51 kilotonnes of TNT (210 TJ) |
| Navigation | |
| Previous test series | Operation Niblick |
| Next test series | Operation Flintlock (nuclear test) |
The United States's Whetstone nuclear test series was a group of 46 nuclear tests conducted in 1964-1965. These tests followed the Operation Niblick series and preceded the Operation Flintlock (nuclear test) series.