🌐EnglishEnglishDeutschFrançaisPolskiPortuguêsРусскийالعربيةEntityQ12804790· pop 8· linked from 758 articlesU-644Also known as German submarine U-6441942 Type VIIC submarineOn the mapAvailable in 8 languagesFrançaisPortuguêsالعربيةPolskiSlovenianTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionsType VII submarineEntitymotor-generatorEntityCategories1942 shipsGerman Type VIIC submarinesMaritime incidents in April 1943Ship infoboxes without an imageShips built in HamburgU-boats commissioned in 1942U-boats lost with all handsU-boats sunk by British submarinesU-boats sunk in 1943World War II shipwrecks in the Norwegian SeaWorld War II submarines of Germany