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The United States is known to have possessed three types of weapons of mass destruction: nuclear, chemical, and biological weapons.As the country that invented nuclear weapons, the U.S. is the only country to have used nuclear weapons on another country, when it detonated two atomic bombs over two Japanese cities of Hiroshima and Nagasaki during World War II.
President Jimmy Carter leaving Three Mile Island Nuclear Generating Station for Middletown, Pennsylvania, April 1, 1979. Unexpectedly high costs in the nuclear weapons program, along with competition with the Soviet Union and a desire to spread democracy through the world, created "...pressure on federal officials to develop a civilian nuclear power industry that could help justify the ...
The designing, testing, producing, deploying, and defending against nuclear weapons is one of the largest expenditures for the nations which possess nuclear weapons. In the United States during the Cold War years, between "one quarter to one third of all military spending since World War II [was] devoted to nuclear weapons and their ...
The United States nuclear program since its inception has experienced accidents of varying forms, ranging from single-casualty research experiments (such as that of Louis Slotin during the Manhattan Project), to the nuclear fallout dispersion of the Castle Bravo shot in 1954, to accidents such as crashes of aircraft carrying nuclear weapons ...
[175]: 291–296 In 1947, a docudrama titled The Beginning or the End chronicled the development of nuclear weapons and portrayed the Trinity test. [ 176 ] [ 177 ] In 1980, a television drama miniseries titled Oppenheimer , a co-production between the British Broadcasting Corporation and the American television station WGBH-TV , aired for seven ...
Cohen's neutron bomb is not mentioned in the unclassified manual by Glasstone and Dolan, The Effects of Nuclear Weapons 1957–1977, but is included as an "enhanced neutron weapon" in chapter 5 of the declassified (formerly secret) manual edited by Philip J. Dolan, Capabilities of Nuclear Weapons, U.S. Department of Defense, effects manual DNA-EM-1, updated 1981 (U.S. Freedom of Information Act).
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 ...
The components of a B83 nuclear bomb used by the United States. This is a list of nuclear weapons listed according to country of origin, and then by type within the states. . The United States, Russia, China and India are known to possess a nuclear triad, being capable to deliver nuclear weapons by land, sea and