This important new reference work details all those ships and vessels of the Royal Navy, large and small, which were lost by accident or enemy action, during the twentieth century, from the end of the First World War, to the last years of the century. In all, the fates of over 2,000 ships and small craft are covered, from aircraft carriers and battleships to motor launches, harbour tenders and tugs. Those vessels hired or purchased for wartime service, such as trawlers, paddle steamers and yachts are also listed. During wartime ships are lost; it is their purpose to go in harm's way. Hostile gunfire, torpedoes and mines were established threats throughout the period, while the increasing threat of air attack and the introduction of weapons employing new technology, such as influence-triggered mines, homing torpedoes or air-launched guided weapons added to the risks of operating in a hostile environment. Ships operating in extremely hazardous conditions, such as at Dunkirk in 1940 or