Meat, vegetables (mainly potato), bread and fruits – these are the basic ingredients of feeding submarines on Nazi U-Boats during World War 2. While the German U-Boats embarking on long voyages were excellent killing machines, the convenience of their crew has never been a priority for their designers. Class VII submarines, working horses of the German Navy Kriegsmarine, built in the amount of more than 700 units, were too small for ocean ships. There was no place in them even for a pantry, not to mention refrigerators. Meanwhile, for about a month and a half a month, an ocean patrol for half a hundred crew such a ship loaded as much as 12.5 tons of food – of which 2,180 kg is canned meat, 108 kg of sausage, 1,750 kg of potatoes, 151 kg of fish – calculates the book “U-Boat. Everyday life on the…