Video encyclopedia

Nuclear weapons and the United States


Where Has The U.S. Tested Nuclear Weapons?


US nuclear stockpile is world's second largest


How many nuclear weapons does the US have?


How a U.S. Nuclear Strike Actually Works


These Atomic Bomb Tests Used U.S. Troops as Guinea Pigs

The United States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the separate bombings of Hiroshima and Nagasaki in World War II. Before and during the Cold War, it conducted over a thousand nuclear tests and tested many long-range nuclear weapons delivery systems.
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  • Development history 

  • Nuclear weapons testing 

  • Delivery systems 

  • Command and control 

  • Accidents 

  • Deliberate attacks on weapons facilities 

  • Development agencies 

  • Weapons production complex 

  • Proliferation 

  • Nuclear disarmament in international law 

  • International relations and nuclear weapons 

  • Current status 

  • Nuclear disarmament movement 

  • United States strategic nuclear weapons arsenal 

  • Notes 2