| Fulcrum | |
|---|---|
| Information | |
| Country | United States |
| Test site | NTS, Areas 1-4, 6-10, Yucca Flat |
| Period | 1976-1977 |
| Number of tests | 21 |
| Test type | underground shaft |
| Max. yield | 140 kilotonnes of TNT (590 TJ) |
| Test series chronology | |
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The United States's Fulcrum nuclear test series was a group of 21 nuclear tests conducted in 1976-1977. These tests followed the Operation Anvil (Nuclear test) series and preceded the Operation Cresset series.