There is no alternative base for the UK's nuclear deterrent than its existing sites in Scotland, leaving it with the prospect of having nowhere to go should Scots vote for independence.
Defence chiefs are only now beginning to face the consequences of a possible future Scottish parliament voting to get rid of the Trident nuclear weapons bases at Coulport and Faslane.
Kate Hudson, the general secretary of CND, said: "Trident is at a dead end, strategically and economically. Now we can add 'geographically' to the list too, as Ministry of Defence sources have confirmed CND's analysis: that there 'simply isn't anywhere else' for Trident to go.
I'm watching Argentina's De Kirchner and the UK Naval presence off Argentina's coast. Is a nuclear mishap near Las Malvinas Islands on the way?