Operation Fulcrum
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.
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.