Deletion of German submarine U-2506

Comment: The nomination is false from beginning to end.  The boat in question was https://books.google.co.uk/books?id=_wdtT8x7b_oC&pg=PT508 attacked.  There are sources which cover the topic https://books.google.co.uk/books?id=kaZPAQAAQBAJ&pg=PA149 distinctively.  And such considerations are irrelevant for the |general notability guideline which specifically says that notability is not a matter of fame or importance
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)