HMS Vanguard
(asked on 30th November 2015) - View Source
Question to the Ministry of Defence:
To ask Her Majesty’s Government what was the designed operational life of HMS Vanguard.
This question was answered on 7th December 2015
In common with most Royal Navy ships and submarines, the initial operational life planning estimate for the Vanguard class submarines was 25 years. The planning estimates of in-service life for all defence platforms are routinely reviewed and amended when appropriate.