SUBMARINE SALVAGE and SUBMARINE RESCUE: From the Thetis Disaster of 1939 to the Sinking of Truculent in 1950
... losses have been constant and heavy. The Germans, indeed, lost 778 of these craft in the Second World War out of a total of 1,155 completed. Just before the Second World War there was a long series of naval disasters which culminated in June 1939 in the loss ...