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Jun 22, 2005 · Note that the two combat uses of nuclear weapons in Japan in 1945 are included. Within the lower 48 states, nuclear tests were conducted in four states. The first nuclear test in 1945 took place in New Mexico, along with two other tests for peaceful applications. Peaceful application tests also took place in Colorado and Mississippi.
Jan 24, 2023 · The first nuclear test took place at the Trinity site in New Mexico. Between 1945-1992, within the continental United States (including Alaska) there were nearly 1,000 nuclear tests, including atmospheric tests, underground and underwater tests. Most detonations were conducted at the Nevada Test Site (NTS) / Nevada National Security Site with ...
December 20, 1968. Trinity was the code name of the first detonation of a nuclear weapon, conducted by the United States Army at 5:29 a.m. MWT [a] (11:29:21 GMT) on July 16, 1945, as part of the Manhattan Project . The test was of an implosion-design plutonium bomb, nicknamed the "gadget", of the same design as the Fat Man bomb later detonated ...
United States . First nuclear test: July 16, 1945 Most recent nuclear test: Sept. 23, 1992 Total tests: 1,030 (815 underground) The United States has conducted more tests than the rest of the world, and was the first and only country to use a nuclear weapon in wartime.
The United States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the bombings of Hiroshima and Nagasaki in World War II. Before and during the Cold War, it conducted 1,054 nuclear tests, and tested many long-range nuclear weapons delivery systems. [Note 1]
From 1965 to 1974, a total of 621 nuclear tests were conducted by the five nuclear-weapon States: the United States (366), the Soviet Union (186), France (51), China (15) and the United Kingdom (2). India also conducted 1 nuclear test during that period.
Mar 8, 2024 · Not only were many exposed to radiation during the Trinity Test in 1945, subsequent uranium mining for the purpose of developing nuclear weapons sickened and killed workers and their families. Though the mines were mostly privately owned, the U.S. government was the customer paying for that uranium ore for decades after World War II.
