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The nuclear weapons tests of the United States were performed from 1945 to 1992 as part of the nuclear arms race. The United States conducted around 1,054 nuclear tests by official count, including 216 atmospheric, underwater, and space tests. [1] [notes 1] Most of the tests took place at the Nevada Test Site (NNSS/NTS) and the Pacific Proving ...
The intended site for South Africa's first nuclear tests. The site was prepared for use, and then abandoned when the apartheid government decided to give up nuclear weapons. Brazil: Brazil's program for creating nuclear weapons was canceled in 1990, five years after the military regime that started it. [6] Campo de Provas Brigadeiro Velloso
The United States conducted around 1,054 nuclear tests (by official count) between 1945 and 1992, including 216 atmospheric, underwater, and space tests. [9] Some significant tests conducted by the United States include: Shot "Baker" of Operation Crossroads (1946) was the first underwater nuclear explosion.
Experts at national defense laboratories haven't been able to physically validate the effectiveness and reliability of nuclear warheads since a 1992 underground test ban.
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Map of major U.S. nuclear weapons infrastructure sites during the Cold War and into the present. Places with grayed-out names are no longer functioning and are in various stages of environmental remediation. Created using Image:Map of USA with state names.svg as a base. See that link for the full attribution details.
A map claiming to show the areas of the US that may be targeted in a nuclear war that originally circulated in 2015 is making the rounds again, amid the Russian war in Ukraine.. The map indicates ...
The United States opened the nuclear era in July 1945 with the test of a 20-kiloton atomic bomb at Alamogordo, New Mexico, in July 1945, and then dropped atomic bombs on the Japanese c