EntityQ12804820· pop 7· linked from 928 articlesU-721Sign in to save1943 Type VIIC submarineConnectionsType VII submarineEntitymotor-generatorEntityU-52EntityOberleutnant zur SeeEntity2 cm Flak 30/38/FlakvierlingEntityWorld War IIConceptHamburgEntityNazi GermanyConceptgeographic coordinate systemEntityInternational Standard Book NumberEntitysubmarineEntitytonneEntitytorpedoEntityknotEntitydiesel engineEntitynautical mileEntitypropellerEntityKriegsmarineEntitynaval mineEntitydraftEntityCategories1943 shipsGerman Type VIIC submarinesMaritime incidents in May 1945Operation Regenbogen (U-boat)Ship infoboxes without an imageShips built in HamburgU-boats commissioned in 1943World War II submarines of Germany