Search results
Results from the WOW.Com Content Network
RDS-27, 250 kiloton bomb, a 'boosted' fission bomb tested 6 November 1955. RDS-37, 3 megaton bomb, the first Soviet two-stage hydrogen bomb, tested 22 November 1955. RDS-220 Tsar Bomba an extremely large three stage bomb, initially designed as a 100-megaton-bomb, but was scaled down to 50 megatons for testing.
Nuclear disarmament in international law. The United States is one of the five nuclear weapons states with a declared nuclear arsenal under the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), of which it was an original drafter and signatory on 1 July 1968 (ratified 5 March 1970). All signatories of the NPT agreed to refrain from ...
South Africa successfully built six nuclear weapons in the 1980s, but dismantled all of them in the early 1990s, shortly before the fall of the apartheid system. [23] So far it is the only nuclear-capable country to give up nuclear weapons, although several members of the Soviet Union did so during the collapse of the Soviet regime.
The nuclear arms race was an arms race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War. During this same period, in addition to the American and Soviet nuclear stockpiles, other countries developed nuclear weapons, though no other country engaged in ...
The Soviet atomic bomb project was the classified research and development program that was authorized by Joseph Stalin in the Soviet Union to develop nuclear weapons during and after World War II. [1][2] Although the Soviet scientific community discussed the possibility of an atomic bomb throughout the 1930s, [3][4] going as far as making a ...
1 January 1957 (projected). Operation Dropshot was the United States Department of Defense code name for a contingency plan for a possible nuclear and conventional war with the Soviet Union and its allies in order to counter the anticipated Soviet takeover of Western Europe, the Near East and parts of Eastern Asia expected to begin about 1957.
Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). In order of acquisition of nuclear weapons, these are the United States, Russia (the successor of the former Soviet Union), the United Kingdom, France, and China. Of these, the three NATO members, the United ...
Moscow Summit (1972) The Moscow Summit of 1972 was a summit meeting between President Richard M. Nixon of the United States and General Secretary Leonid Brezhnev of the Communist Party of the Soviet Union. It was held May 22–30, 1972. It featured the signing of the Anti-Ballistic Missile (ABM) Treaty, the first Strategic Arms Limitation ...