A nuclear triad is a three-pronged military force structure of global-range land-based intercontinental ballistic missiles, submarine-launched ballistic missiles, and strategic bombers with nuclear bo
Bomber aircraft
Intercontinental ballistic missile
Ballistic missile submarine
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.