The AF&F assembly is the core of the nuclear warhead and ensures that it works only when authorized and never accidentally. By May the AF&F ....

... warhead or the Mk 5, which has a W88 475 kT yield warhead.

This ... warheads believed to be similar to the W76 100 kT US warheads. An .... intended to replace both the W88 Trident warhead and the W78 Minuteman warhead.79.

The IW1 warhead would have consisted of a nuclear explosives package (NEP) .... The warheads have an estimated yield of 475 kilotons and can be deployed in either airburst or contact detonation methods. The warheads measure ....

Hansard record of the item : 'W88 warhead' on Tuesday 16 July 1991..