Mezue ahịrịokwu na-esonụ: N'afọ 1940, Gaynes bi na France, mana mgbe Agha France na ndị German weghaara ya, ọ gbagara na Pyrenees, mana ndị uwe ojii Francoist Spain jidere ya n'oge na-adịghị anya. Na 1942 mgbe a tọhapụsịrị ya, Gaynes bu n'obi ịlaghachi Netherlands iji sonyere ndị Dutch na-eguzogide ndị Nazi, kama ọ gara United Kingdom ịbanye na Royal Dutch Navy. Na Eprel 8, 1943, a họpụtara Gaynes ka ọ bụrụ onye ọrụ ụgbọ mmiri ma kenye ya n'ụgbọ mmiri inyeaka, nke a na-etinye na Holyhead na Wales. N'ihi ọtụtụ asụsụ ọ na-asụ (ọ na-asụ Dutch, Bekee, French, Italian, na Russian), e zigara ya na May 1, 1943, na Royal Navy dị ka onye ntụgharị okwu nke e kenyere ndị ọrụ ụgbọ mmiri na-ebugharị ụgbọ mmiri, nke sonyere na July na August 1943 na
Operation Husky ndị Allied wakporo Sicily. Na Septemba 1, 1943, a kpọghachiri Gaynes na onye na-ebibi ihe, nke sonyere na Jenụwarị 1944 na Agha Anzio. Na Jenụwarị 1, 1944, e buliri ya n'ọkwa sergeant (onye isi ndị agha, klas nke mbụ). Mgbe Agha Anzio gasịrị, e kenyere HMS "Wilton" n'Oké Osimiri Adriatic wee gaa n'ihu ịhụ ihe omume n'oge Mgbasa Ozi Adriatic. N'abalị iri na anọ n'ọnwa Julaị n'afọ 1946, a chụrụ Gaynes n'ọrụ na Royal Dutch Navy.