Ku dhammaystiro weedhan soo socda: Waajibaadka ugu horeeya ee dufcaddu waxay ahayd inay fuliso waajibaadka ogaanshaha iyo ogaanshaha diyaaradaha. Waxay markii dambe dib u qalabeeyeen Fairey Seals iyo Blackburn Sharks, ugu dambeyntiina waxay heleen Fairey Swordfish dayrta 1937. Ciidanka ayaa dib loo wareejiyay bishii November ee sanadka soo socda si ay u helaan diyaaradaha cusub ee diyaaradaha qaada. Ciidanka ayaa ka howlgalayey "Ark Royal" seddexdii sano ee soo socotay, markii hore waajibaadka ka hortagga maraakiibta quusta, laakiin markii dambe waxay noqdeen diyaaradaha raadinta dusha sare iyo diyaaradaha weerarka torpedo. Ciidanka ayaa la socday "Ark Royal" ilaa Atlantic, iyo Abriil 1940 waxay taageereen hawlgallada Allied inta lagu jiray ololihii Norwey, halkaas oo ay ku duqeeyeen garoonka diyaaradaha Vaernes. Ka dib markii
Kadib markii laga saaray Norwey, "Ark Royal" iyo ciidankii waxay u guureen badda Mediterranean bishii June. Diyaaradaha ka socda 820 Squadron waxay ku lug lahaayeen weerarkii maraakiibta Faransiiska ee Mers-el-Kébir, iyo markii dambe Dagaalkii Dakar, iyo sidoo kale weeraradii Cagliari. Waxay sidoo kale firfircoon ahaayeen intii lagu jiray Dagaalkii Cape Spartivento, iyo sidoo kale daboolida kolonyo loo diro Malta.