Read some different stuff mate.
Trident? Old news, see here..
House of Commons - The Referendum on Separation for Scotland: Terminating Trident-Days or Decades? - Scottish Affairs Committee
Guz or Pompey to close? Highly unlikely given carriers only fitting into Pompey and new RM base Tamar in Guz. Nothing to do with Scottish Independence.
Portsmouth shipbuilding or Clyde. One is f8cked - irrespective of Scottish independence.