Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'afọ 1941, o sonyere na Operation Grog, bọmbụ nke Genoa, na arụmọrụ megide Vichy convoys na nkwado nkwado ikuku na Malta. N'ọnwa Mee, Sheffield sonyere na mbibi nke Bismarck nke ndị Germany, na-agbapụ site na mwakpo torpedo nke ụgbọelu ụgbọelu Ark Royal's Fairey Swordfish; A tụbara torpedo iri na otu ma ọ bụ naanị ndị na-agbapụ Duplex na-emebi emebi na njikwa ụgbọ mmiri dị mma zọpụtara ya site na ọdachi. (N'akụkọ nke mwakpo ahụ, a gwara Admiral Sir John Tovey, onye na-achị Home Fleet, naanị na ọ nweghị ihe ọ bụla e mere na Bismarck. Mmeghachi omume nke ndị ọrụ ụgbọ mmiri Sheffield "emeghị ka ọ banye n'ihe ndekọ gọọmentị".) N'abalị iri na abụọ n'ọnwa Juun, ọ chọtara ma mikpuo otu n'ime ụgbọ mmiri Bismarck, bụ Friedrich Breme. Mgbe mbibi nke mbido Ọktoba 1941 nke ụgbọ mmiri German ọzọ, Kota Penang, (nke ụgbọ mmiri Kenya nyere aka), Sheffield laghachiri Britain.  Ajụjụ: Kedụ ebe bụ ebe a na-awakpo mwakpo nke onye a sonyere na ya?
Genoa