 On 1 January 1941, iye akatungamirira zvikepe zvina 13th Muparadzi Flotilla sezvo intercepted mumwe Vichy French konvoyi pedyo Mellila uye vakabata zvose zvina zvikepe zvokutengeserana ari konvoyi. Mazuva mashomanana gare gare yakabatanidzwa muOperation Excess, boka remauto raiendesa zvinhu kuPiraeus neAlexandria. Mukati meOperation Grogmukuvamba kwaFebruary, ngarava yacho yakaperekedza ngarava huru dzeForce H sezvavakaputirwa neGenoa. Akabva aperekedza ngarava yehondo uye inotakura kubva kuGibraltar kuenda kuWest Africa kutanga kwaMarch uye akaramba aripo. Kubva kuFreetown, ngarava iyi yaiperekedza makondirakiti kuburikidza nemvura yeWest Africa kusvika muna Chikunguru paakadanwa kuMediterranean kuti aperekedze Operation Substance convoy kubva kuGibraltar kuenda kuMalta muna Chikunguru 1941. Yakagoverwa ku13th Destroyer Flotilla, Duncan yakaramba iri kuGibraltar uye yaive chikamu chekuperekedza kwepedyo kweOperation Halberd convoy mukupera kwaGunyana. 