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  2. List of United States nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    First nuclear weapons test, conducted as part of the Manhattan Project. Tested the Mark 3 Fat Man design. Crossroads: 1946 2: 2: 2: 21 42: First postwar test series. Sandstone: 1948 3: 3: 3: 18 to 49 104: The first use of "levitated" cores made of oralloy. Tested components for Mark 4 design. Ranger: 1951 5: 5: 5: 1 to 22 40: First tests at the ...

  3. List of nuclear weapons tests - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclear_weapons_tests

    The warhead detonated with a yield of 1.45 Mt. This was the Starfish Prime event of nuclear test operation Dominic-Fishbowl; In the Dominic-Fishbowl series in 1962: Checkmate, Bluegill, Kingfish and Tightrope; The USA also conducted two live weapons test involving nuclear artillery including:

  4. List of nuclear weapon explosion sites - Wikipedia

    en.wikipedia.org/wiki/List_of_nuclear_weapon...

    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

  5. Factbox-Nuclear testing: Why did it stop, and when? - AOL

    www.aol.com/news/factbox-nuclear-testing-why-did...

    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

  6. Nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapons_testing

    Nuclear weapons testing did not produce scenarios like nuclear winter as a result of a scenario of a concentrated number of nuclear explosions in a nuclear holocaust, but the thousands of tests, hundreds being atmospheric, did nevertheless produce a global fallout that peaked in 1963 (the bomb pulse), reaching levels of about 0.15 mSv per year ...

  7. Nuclear testing at Bikini Atoll - Wikipedia

    en.wikipedia.org/wiki/Nuclear_testing_at_Bikini...

    Tests occurred at 7 test sites on the reef itself, on the sea, in the air, and underwater. [2] The test weapons produced a combined yield of about 77-78.6 Mt of TNT in explosive power. After the inhabitants agreed to a temporary evacuation, to allow nuclear testing on Bikini, which they were told was of great importance to humankind, [ 3 ] two ...

  8. Underground nuclear weapons testing - Wikipedia

    en.wikipedia.org/wiki/Underground_nuclear...

    Signed in Moscow on August 5, 1963, by representatives of the United States, the Soviet Union, and the United Kingdom, the Limited Test Ban Treaty agreed to ban nuclear testing in the atmosphere, in space, and underwater. [6] Due to the Soviet government's concern about the need for on-site inspections, underground tests were excluded from the ban.

  9. Operation Plumbbob - Wikipedia

    en.wikipedia.org/wiki/Operation_Plumbbob

    The operation consisted of 29 explosions, of which only two did not produce any nuclear yield.Twenty-one laboratories and government agencies were involved. While most Operation Plumbbob tests contributed to the development of warheads for intercontinental and intermediate range missiles, they also tested air defense and anti-submarine warheads with smaller yields.