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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.
The United States conducted around 1,054 nuclear tests (by official count) between 1945 and 1992, including 216 atmospheric, underwater, and space tests. Some significant tests conducted by the United States include: Shot "Baker" of Operation Crossroads (1946) was the first underwater nuclear explosion.
Since July 1962, all nuclear tests conducted in the United States have been underground, and most of them have been at the NTS. Some tests were conducted on the Nellis Air Force Range (NAFR); in central and northwestern Nevada; in Colorado, New Mexico, and Mis sissippi; and on Amchitka, one
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Aug 4, 2023 · The total number and yearly listing of U.S. nuclear test explosions listed in this fact sheet are based on the figures published in United States Nuclear Tests: July 1945 through September 1992 DOE/NV-209 (Rev. 14), December 1994. The Department of Energy has since pubished two revisions of the pubication that slightly revise these numbers and ...
Aug 6, 2001 · Between 16 July 1945 and 23 September 1992 the United States of America conducted(by official count) 1054 nuclear tests, and two nuclear attacks. The number of actualnuclear devices (aka "bombs") tested, and nuclear explosions is largerthan this, but harder to establish precisely.
There were 1,032 American nuclear tests from 1945 through 1990. Included in this total are the two atomic bombs used on Hiroshima and Nagasaki. Most of the tests took place at the Nevada Test Site (NNSS/NTS) and the Pacific Proving Grounds in the Marshall Islands and off Kiritimati Island in the Pacific, plus three in the Atlantic Ocean. Ten ...
In total nuclear test megatonnage, from 1945 to 1992, 520 atmospheric nuclear explosions (including eight underwater) were conducted with a total yield of 545 megatons, with a peak occurring in 1961–1962, when 340 megatons were detonated in the atmosphere by the United States and Soviet Union, while the estimated number of underground nuclear ...
