A Nuclear Cannon

YouTube - NUCLEAR CANNON.

Nuclear artillery is a subset of limited-yield tactical nuclear weapons, in particular those weapons that are launched from the ground at battlefield targets. Nuclear artillery is commonly associated with shells delivered by a cannon, but in a technical sense short-range rockets or missiles are also included.

The development of nuclear artillery was part of a broad push by nuclear weapons countries to develop nuclear weapons which could be used tactically against enemy armies in the field (as opposed to strategic uses against cities, military bases, and heavy industry). Nuclear artillery was both developed and deployed by a small group of nations, including the USA, USSR, and France. The United Kingdom planned and partially developed such weapon systems (the Blue water missile and the Yellow Anvil artillery shell) but did not put these systems into production. ...

Nowadays, nuclear artillery has almost been replaced with mobile tactical ballistic missile launchers carrying missiles with nuclear warheads. However, some countries, such as China, India and Pakistan (and there is a rumor that North Korea is capable of using nuclear artillery), are still using nuclear artillery as an alternative method derived from conventional ballistic missiles.

via wikipedia