HMS Utmost was a British U Class submarine of 540 tons displacement launched and sunk during the Second World War. HMS Utmost was powered by two Davey Paxman diesel engines providing a top speed of 11 knots surfaced and two electric motors providing a top speed of 9 knots submerged. She carried a complement of 31 was armed with one 3 inch gun; three machine-guns and four 21 inch bow torpedo tubes. Research Utmost
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Research Utmost
