<Tr> <Td> Speed: </Td> <Td> <Ul> <Li> 17.7 knots (32.8 km / h; 20.4 mph) surfaced </Li> <Li> 7.6 knots (14.1 km / h; 8.7 mph) submerged </Li> </Ul> </Td> </Tr> <Ul> <Li> 17.7 knots (32.8 km / h; 20.4 mph) surfaced </Li> <Li> 7.6 knots (14.1 km / h; 8.7 mph) submerged </Li> </Ul> <Li> 17.7 knots (32.8 km / h; 20.4 mph) surfaced </Li> <Li> 7.6 knots (14.1 km / h; 8.7 mph) submerged </Li>

German submarine u-120 was sunk by a malfunctioning toilet