EntityQ7391530· pop 7· linked from 70 articlesSM U-121Sign in to save1918 Type UE II submarineConnectionsAG Vulcan StettinEntityHamburgEntityInternational Standard Book NumberEntityGerman EmpireEntitytonneEntitytorpedoEntitydiesel engineEntitynaval mineEntityU-boatEntityHarwichEntityImperial German NavyEntitytorpedo tubeEntityGerman markEntitylong tonEntityship launchingEntitylength overallEntitymotor-generatorEntityCherbourgEntitySMS OstfrieslandEntitySMS BadenEntityCategories1918 shipsFrance articles missing geocoordinate dataGerman Type UE II submarinesMaritime incidents in 1921Ship infoboxes without an imageShips built in HamburgShips sunk as targetsShipwrecks in the English ChannelShipwrecks of FranceU-boats sunk in 1921World War I submarines of Germany