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Starfish Prime was a high-altitude nuclear test conducted by the United States, a joint effort of the Atomic Energy Commission (AEC) and the Defense Atomic Support Agency. It was launched from Johnston Atoll on July 9, 1962, and was the largest nuclear test conducted in outer space, and one of five conducted by the US in space.
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 ...
Greenwater, a Lawrence Livermore test, was to be fired in Area 19, [10] and was a test of an x-ray laser system. [12] The test was cancelled 16 July 1992. [13] The Greenwater nuclear device had already been assembled at the time of cancellation, and had to be dismantled. [14] A fourth test, Mighty Uncle, was planned for 1993.
The low estimates on the yield of the test—potentially less than a kiloton in strength—have led to speculation as to whether it was a fizzle (unsuccessful test), or not a genuine nuclear test at all. On May 25, 2009, North Korea announced having conducted a second nuclear test.
The device used in the blast was a 16 kt Mark 5 Nuclear Bomb - a low yield fission weapon, detonated 90 meters / 300 feet above the ground. [2] The live TV coverage was recorded on a kinescope, so it is a rare record of the sound an actual atomic bomb makes. [3] One of the automobiles after the test.
Russia, the United States and China have all built new facilities and dug new tunnels at their nuclear test sites in recent years, satellite images obtained exclusively by CNN show, at a time when ...
LONDON (Reuters) -Russia may be paving the way to conduct a nuclear test, a move that would sharply raise tensions with the West and likely prompt other world powers to resume testing for the ...
Desert Rock was the code name of a series of exercises conducted by the US military in conjunction with atmospheric nuclear tests. They were carried out at the Nevada Proving Grounds between 1951 and 1957. Their purpose was to train troops and gain knowledge of military maneuvers and operations on the nuclear battlefield. They included observer ...