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  2. Historical nuclear weapons stockpiles and nuclear tests by ...

    en.wikipedia.org/wiki/Historical_nuclear_weapons...

    Moreover, total deployed US & "Russian" strategic weapons increased steadily from the 1980s until the Cold War ended. [18] The United States nuclear stockpile increased rapidly from 1945, peaked in 1966, and declined after that. [1] By 2012, the United States had several times fewer nuclear weapons than it had in 1966. [19]

  3. Nuclear weapons of the United States - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapons_of_the...

    The Castle Bravo fallout plume spread dangerous levels of radioactive material over an area over 100 miles (160 km) long, including inhabited islands, in the largest single U.S. nuclear accident. The United States nuclear program since its inception has experienced accidents of varying forms, ranging from single-casualty research experiments ...

  4. Enduring Stockpile - Wikipedia

    en.wikipedia.org/wiki/Enduring_Stockpile

    The Enduring Stockpile is the United States' arsenal of nuclear weapons following the end of the Cold War. During the Cold War the United States produced over 70,000 nuclear weapons. By its end, the U.S. stockpile was about 23,000 weapons of 26 different types.

  5. United States and weapons of mass destruction - Wikipedia

    en.wikipedia.org/wiki/United_States_and_weapons...

    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.

  6. Nuclear weapon yield - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapon_yield

    Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...

  7. US moves closer to underground testing of nuclear weapons ...

    www.aol.com/news/us-moves-closer-underground...

    Scientists charged with ensuring the aging U.S. stockpile of nuclear weapons are good to go — if needed — say they'll start shipping key components to Nevada's desert next year to prepare for ...

  8. Today in History: Nevada is site of first-ever underground ...

    www.aol.com/news/2015-09-19-today-in-history...

    800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... The very first time the U.S. built a nuclear weapon was in December 1941, and the first regular nuclear test took place on July 16 ...

  9. Nuclear Posture Review - Wikipedia

    en.wikipedia.org/wiki/Nuclear_Posture_Review

    The Nuclear Posture Review (NPR) is a process “to determine what the role of nuclear weapons in U.S. security strategy should be.” [1] NPRs are the primary document for determining U.S. strategy for nuclear weapons and it outlines an overview of U.S. nuclear capabilities, changes to current stockpiles and capabilities, plans for deterrence, and plans for arms control policy with other nations.