EntityQ321093· pop 8· linked from 19 articlesHecht-class submarineSign in to save1944 class of German midget submarinesConnectionsX-class submarineEntityWorld War IIConceptNazi GermanyConceptInternational Standard Book NumberEntityKielEntityKarl DönitzEntityEsoxEntityKriegsmarineEntityTirpitzEntitygyrocompassEntityAEGCompanymidget submarineEntityFriedrich Krupp GermaniawerftEntityNeger-class human torpedoEntityOperation SourceEntitySeehund-class submarineEntityBiber-class midget submarineEntityG7e torpedoEntitylimpet mineEntityballast tankEntityCategoriesMidget submarinesWorld War II submarines of Germany