Skip to main content


Volume 448: debated on Thursday 29 June 2006

To ask the Secretary of State for Defence whether evidence from experiments conducted in (a) existing and (b) proposed hydrodynamic testing facilities will be used to support the decision on whether to reuse or replace the Trident warhead pit. (79090)

Evidence from hydrodynamics experimentation, both current and future, represents an essential supporting element in all decisions in connection with UK warhead assurance and in-service life.

To ask the Secretary of State for Defence when the (a) Trident missile, (b) nuclear warheads, (c) guidance systems and (d) submarine launch platforms are each expected to be (i) no longer available and (ii) beyond refurbishment. (81340)

The expected life of each element of the UK’s nuclear deterrent was set out in a memorandum provided by the Ministry of Defence to the House of Commons Defence Select Committee, which was published on the Committee’s website on 20 January 2006 ( 0506/cmselect/cmdfence/835/835m04.htm).