The United States holds the second largest arsenal of nuclear weapons among the nine nuclear-armed countries. Under the Manhattan Project, the United States became the first country to manufacture nuc
Test launch of a Trident II submarine-launched ballistic missile, the most numerous US nuclear weapons delivery system
The Trinity test of the Manhattan Project was the first detonation of a nuclear weapon.
Protest in Bonn against the deployment of Pershing II missiles in West Germany, 1981
The US conducted hundreds of nuclear tests at the Nevada Test Site.
Nuclear weapon
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A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either nuclear fission or a combination of fission and nuclear fusion reactions, producing a nuclear
The Trinity test of the Manhattan Project was the first detonation of a nuclear weapon, which led J. Robert Oppenheimer to recall verses from the Hindu scripture Bhagavad Gita: "If the radiance of a thousand suns were to burst at once into the sky, that would be like the splendor of the mighty one" ... "I am become Death, the destroyer of worlds".
Edward Teller, often referred to as the "father of the hydrogen bomb"
Soviet OTR-21 Tochka missile. Capable of firing a 100-kiloton nuclear warhead a distance of 185 km
The first nuclear weapons were gravity bombs, such as the "Fat Man" weapon dropped on Nagasaki, Japan. They were large and could only be delivered by heavy bomber aircraft