Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Kriegsmarine Commander of Submarines (Befehlshaber der U-Boote) Karl Dönitz akagadzira hurongwa hwekurwisa Scapa Kuyerera nechikepe chepasi pevhu mukati memazuva ekutanga kwehondo. Chinangwa chayo chaizova kaviri: chokutanga, kuti kudzinga Home Fleet kubva kuScapa Flow kwaizoderedza kuvharirwa kweBritish North Sea uye kupa Germany rusununguko rukuru rwokurwisa makondirakiti eAtlantic; chechipiri, kurova kwacho kwaizova chiito chokufananidzira chokutsiva, kuchirova panzvimbo imwe cheteyo uko Hondo yeGermany yeGungwa Rakakwirira yakanga yazviisa pasi ndokuputika pashure pokukundwa kweGermany muHondo Yenyika Yokutanga. Dönitz akasarudza Kapitänleutnant Günther Prien nokuda kwebasa racho, achironga kurwisa usiku hwa13/14 Gumiguru 1939, apo mafungu aizova akakwirira uye usiku husina mwedzi. Dönitz akabatsirwa nemifananidzo yepamusoro kubva kune imwe ndege yekuongorora naSiegfried Knemeyer, (uyo akagamuchira muchinjikwa wake wekutanga weIron nokuda kwebasa racho), uye iyo yakaratidza kushaya simba kwezvidziviriro uye huwandu hwezvinangwa. Akarayira Prien kupinda muScapa Flow kubva kumabvazuva kwayo kuburikidza neKirk Sound, achipfuura kuchamhembe kweGwayana Holm, chitsuwa chidiki chakadzika pakati peBurray neMainland. Pakutanga Prien akafunga kuti Skerry Sound iri kumaodzanyemba ndiyo nzira yaakanga asarudza uye pakarepo akaziva kuti U-47 yakanga ichienda kune nzvimbo isina kudzika yakavharwa yakamumanikidza kuti arayire kutendeuka nokukurumidza kuchamhembe kwakadziva kumabvazuva. Pamusoro, uye chichivhenekerwa nechiratidziro chakajeka cheaurora borealis, ngarava yepasi pegungwa yakasungwa pakati pemidziyo yakanyura yeSeriano neNumidian, ichizvisimbisa pachayo kwenguva pfupi pane tambo yakasungirirwa kubva kuSeriano. Yakambobatwa nemwenje yetekisi yaiva pamhenderekedzo yegungwa, asi mutyairi wacho haana kumutsa alarm. Paakapinda chiteshi chaicho pa 00:27 musi wa14 Gumiguru, Prien akapinda mukukunda Wir sind muScapa Flow!!! mubhuku uye akaisa nzira yekumaodzanyemba kwakadziva kumadokero kwemakiromita akati wandei asati achinja nzira. Akashamisika paakaona kuti ngarava yacho yakanga isisina chinhu; Forbes paakarayira kuti ngarava dzipararire akanga abvisa zvimwe zvezvinangwa zvikuru. U-47 yakanga yaenda yakananga kungarava dzehondo ina,  Mubvunzo: Chii chinonzi chinwiwa chinobata moto chakachengetwa mungarava?
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