A farty little country like the UK with an effective navy of 6 ships, a tiny army and an airforce dependent on Yank technology has absolutely no need or possible use of a nuclear deterrent other than to keep colonel Blimps happy.
There is not one circumstance where we would deploy ours without the US and France deploying theirs. A complete waste of money.
It's a complete waste of money just like supporting British Steel is although those of the Corbyn variety seem to split the two....
When you realize there are tens if not hundreds of thousands of jobs supporting defence it changes things somewhat. There are some things that are just worth the money because of the impact removing it would have.
For every £1 spent on defence we still get 36p back in tax too not to mention it provides a defence and knowledge capability that only a handful of countries have.
Whilst the threats currently don't require nuclear weapons, what about the threats in 30 years time? That is how long it takes to develop a nuclear missile system.
The new system will cost what £100bn over 30 years? Would you pay £3bn a year to keep tens of thousands of jobs safe?