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Sept. 23, 1992
- The last US nuclear weapons test took place on Sept. 23, 1992, at the Nevada Test Site.
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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.
Sep 23, 2018 · The last US nuclear weapons test took place on Sept. 23, 1992, at the Nevada Test Site. It was the 1,030th such experiment, the most conducted by any country since the first US atom bomb...
Trinity test on 16 July 1945, was the world's first test of a nuclear weapon (yield of around 20 kt). Operation Crossroads series in July 1946, was the first postwar test series and one of the largest military operations in U.S. history.
Jul 16, 2020 · The US conducted its last explosive nuclear test in September, 1992. Today, the nation’s nuclear weapons research is focused on reliability testing and maintenance of the roughly 4,000 active...
- Tests by Country
- Known Tests
- Alleged Tests
- Tests of Live Warheads on Rockets
- Most Powerful Tests
- External Links
The table in this section summarizes all worldwide nuclear testing (including the two bombs dropped in combat which were not tests). The country names are links to summary articles for each country, which may in turn be used to drill down to test series articles which contain details on every known nuclear explosion and test. The notes attached to ...
In the following subsections, a selection of significant tests (by no means exhaustive) is listed, representative of the testing effort in each nuclear country.
There have been a number of significant alleged, disputed or unacknowledged accounts of countries testing nuclear explosives. Their status is either not certain or entirely disputed by most mainstream experts.
Missiles and nuclear warheads have usually been tested separately because testing them together is considered highly dangerous; they are certainly the most extreme type of live fire exercise. The only US live test of an operational missile was the following: 1. Frigate Bird: on May 6, 1962, a UGM-27 Polaris A-2 missile with a live 600 kt W47 warhea...
The following is a list of the most powerful nuclear weapon tests. All tests on the first chart were multi-stage thermonuclear weapons.
Video archive of nuclear weapon testing Archived 2012-12-05 at archive.todayThe test, designed and executed by scientists at Los Alamos National Laboratory, was the nation’s 1,054th and final nuclear weapons test before the current testing moratorium, marking the end of an era that began with the Trinity test 47 years prior.
Sep 22, 2022 · The U.S. carried out its last weapons test on September 23, 1992, with the detonation in Nevada of an approximately 20-kiloton device codenamed Divider. (A kiloton is equivalent to a...
