It is the Titanic of submarines, hopefully not in the wake of the cruise ship’s tragic end. The British royal navy’s super-submarine, HMS Astute, is revealed as the largest and deadliest submarine ever built. It weighs 7,800 tonne and can circumnavigate the globe without surfacing. It is the length of an entire football pitch at 97m and the width of four double-decker buses. It moves … Continue reading HMS Astute: The Emperor of the Ocean