Teribus- When you say "'occupying forces' (which of course they are not, they are the armed forces of the United Kingdom and have every right to be stationed anywhere in the United Kingdom)", do you really mean that any land declared to be territory of a given nation cannot be occupied by that nation? If so, that legitimizes the British occupation of India, the innumerable occupations of Africa by European nations, the Israeli occupation of the West Bank, and in fact the Nazi occupations of France, Poland, Czechoslovakia, etc. I don't think that this was really your meaning.