How important was Northern Ireland to Royal Navy basing and shipbuilding?
Short answerIts air and basing value was useful, but the largest effect of losing it would be the redistribution of major shipbuilding work from Belfast to other British regions.
NotesNorthern Ireland's basing role was useful, particularly for aircraft protecting the Western Approaches. Losing major yards such as Harland and Wolff, along with work represented by ships like HMS Belfast, would have the greater effect. Orders would shift to yards elsewhere in Britain. Merseyside had room to expand, while Pembroke Dock and other Welsh facilities might survive or grow under the transferred demand.