German Type UE I submarine
The German Type UE I submarine was an ocean-going single-hull submarine with saddle tanks built by AG Vulkan in Hamburg and Kaiserliche Werft Danzig. The Type UE I was equipped with two six-cylinder Benz engines for  for a surface top speed of  to . Armed with a single torpedo tube forward and aft, plus one  SK L/30 deck gun (U-72 received a  SK L/45 gun in 1917), its main weapon were the 38 mines in two minelaying tubes. The boats were crewed by four officers and 28 men for a complement of 32. Citations

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Submarine classes
German Type UE I submarines
World War I submarines of Germany