Mezue ahịrịokwu na-esonụ: Na mbubreyo n'ehihie nke April 30, 1942, n'oge agha na Arctic
Njem QP 11, abụọ n'ime torpedo ya kụrụ ma mebie ụgbọ mmiri Royal Navy dị mfe. N'oge ahụ "Edinburgh" na-ebu ọtụtụ tọn ọla edo sitere na USSR na-aga UK.