PO Coleman-Smith needs to be keel hauled and given history lessons.
He added: "You've got HMS Hood [the First World War era vessel] down there, she was sunk deliberately to block entrances."
HMS Hood was sunk "deliberately" by the Bismarck with a lucky shot that hit a design flaw that allowed Bismarck's Mr 15" high explosive shell to be introduced to Hood's Mr Cordite Magazine.