Didn't realise the missle section was leased I knew the warhead was built independent and that we are developing our own missles although with similarities to the Americans new system.
I think it's definitely a myth that we can't control or navigate them
https://ukdefencejournal.org.uk/no-a...clear-weapons/
They would never get used anyway but we need the deterrent of having them, if Ukraine kept them when the west made them give them up, it would be a safer country now