The United States's Bedrock nuclear test series was a group of 27

nuclear test Nuclear weapons tests are experiments carried out to determine nuclear weapons' effectiveness, yield, and explosive capability. Testing nuclear weapons offers practical information about how the weapons function, how detonations are affected by ...

s conducted in 1974–1975. These tests A bomb test may be a salvo test, defined as two or more explosions "where a period of time between successive individual explosions does not exceed 5 seconds and where the burial points of all explosive devices can be connected by segments of straight lines, each of them connecting two burial points and does not exceed 40 kilometers in length". followed the ''

Operation Arbor The United States's Arbor nuclear test series was a group of 18 nuclear tests conducted in 1973–1974. These testsA bomb test may be a salvo test, defined as two or more explosions "where a period of time between successive individual explosio ...

'' series and preceded the '' Operation Anvil'' series.

References

{{US Nuclear Tests Explosions in 1974 Explosions in 1975 1974 in military history 1975 in military history

Bedrock In geology, bedrock is solid Rock (geology), rock that lies under loose material (regolith) within the crust (geology), crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface mater ...