Mezue ahịrịokwu na-esonụ: Stjernfelt gụsịrị akwụkwọ na Royal Swedish Naval Academy na 1940 ma nye ya ọrụ dịka onye isi ma kenye ya na Vaxholm Coastal Artillery Regiment na 9 Eprel, tupu mgbe ahụ, e mere atụmatụ n'ihi
Ndị Germany wakporo Denmark na Norway. N'otu ụbọchị ahụ, ọ ghaghị ime ka ndị agha dị njikere n'ọnụ mmiri ahụ na-aga Stockholm. Ugbua dị ka onye na-eto eto lieutenant, ọ ghọrọ onye isi batrị nke batrị artillery na agwaetiti Roten dị n'ebe ugwu Oké Osimiri Åland, batrị nke nọ na njikere agha zuru oke n'oge Agha Worldwa nke Abụọ. Mgbe ọ dị obere, o nwere mmasị dị ukwuu n'akụkọ agha. N'oge na-adịghị anya mgbe Agha Ụwa nke Abụọ bisịrị, ya na nwunye ọhụrụ ya bụ́ Borghild ji ịnyịnya ígwè gaa n'ụsọ oké osimiri Normandy, na-anakọta ihe ọmụma ma n'ala ahụ ma n'aka ndị ọchịagha ndị Germany bụ́ ndị duziri nchebe n'ebe ahụ. Nke a dugara n'akwụkwọ bụ́ "Alarm i Atlantvallen" ("Alarm in the Atlantic Wall"). Mbipụta French nke akwụkwọ a kpaliri otu akwụkwọ ozi ekele sitere n'aka Ọchịagha Charles de Gaulle.