Dee ihe ga-aga n'ihu na paragraf a - Mgbe oge dị mkpirikpi o jere ozi dị ka onye isi ndị agha n'ụgbọ mmiri ochie ahụ, site na Septemba 1939 ruo Eprel 1940, a họpụtara Gretton n'oge na - adịghị anya dị ka onye isi ndị agha n'ụgbọ mmiri nke oge a buru ibu ma lụọ agha n'Agha nke Abụọ nke Narvik
n'oge a na-alụ agha Norway. E nyere ya iwu nke ochie na-ebibi ihe na 1941 ma jee ozi na North Atlantic. N'ịbụ onye e buliri n'ọkwa lieutenant-commander na 1 June 1942, e nyere ya iwu nke onye na-ebibi ihe ọhụrụ ma laghachi na Mediterranean. O sonyere na Operation Pedestal, ọrụ ụgbọ njem nke Malta na August 1942, wee tinye ụgbọ mmiri Italiantali "Dagabur" site na ịpị. E buliri ya n'ọkwa ọchịagha na 31 Disemba 1942, e nyere ya iwu nke onye na-ebibi ihe, dị ka onye isi ndị isi na-esote ndị na-esote B7, nke dị na Derry.