Question to the Ministry of Defence:
To ask the Secretary of State for Defence, what financial contributions the Government has made to the US administration to date to support the D5 Life Extension programme; and what future such payments the Government plans to make.
The total spend by the UK on the D5 Life Extension Programme up to the end of financial year 2016-17 was £157.6 million.
As stated in the recent update to Parliament on the Dreadnought Programme, approval was given in 2017 to extend the planned life of the Trident II D5 missile electronic packages at a total project cost of around £350 million.