I don't know about inside RN facilities, but this sub was alongside in the civilian port of Southampton......does that actually count as a "home port"!
I'm sure if terrorists had tried to seize a floating nuclear reactor and a hull full of weapons the public would all be demanding to know why it WASN'T GUARDED! Well, we all now know that it obviously is!
For the Hollywood version see:
Under Siege - Wikipedia, the free encyclopedia Worth a watch, at least Erika is!
