Strategic nuclear weapon

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A strategic nuclear weapon refers to a nuclear weapon which is designed to be used on targets as part of a strategic plan, such as nuclear missile locations, military command centers and large cities. They are contrasted with tactical nuclear weapons, which are designed for use in battle, as part of an attack with conventional forces. Strategic nuclear weapons have significantly larger yields, at least over 100 kilotons and up to many megatons. The most powerful nuclear weapon ever in active service for the United States, the B41 nuclear bomb, was 25 megatons. Currently, the B83 nuclear bomb, with a yield of 1.2 megatons, is the most powerful bomb in active service. Yields can overlap, though, and many weapons, such as the B61 nuclear bomb, are used in both roles. Strategic nuclear weapons also have greater range. Intercontinental ballistic missiles with nuclear warheads are strategic weapons, while short-range missiles are tactical. In addition, while tactical weapons are designed to meet battlefield objectives, the main purpose of strategic weapons is to deter attacks, especially nuclear attacks.

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