Ka dib markii uu tababar ku soo qaatay UK, Plagis wuxuu ku soo laabtay howlgalkii bishii Sebtember 1943 isagoo ahaa taliyaha No. 64 Squadron, oo ka duulaya Spitfire Mk VCs waqooyiga Faransiiska. Waxa uu qabtay taliskii Guutada 126aad (Goobaha Faariska) bishii Juun 1944, wuxuuna hogaamiyay weerarro badan oo lagu qaaday goobaha Jarmalka intii lagu jiray duulaankii Faransiiska iyo ololihii
waxaa lagu soo riday Arnhem intii uu socday howlgalkii "Market Garden", laakiin dhaawac fudud ayaa soo gaaray. Ka dib markii uu u wareegay Mustang IIIs, wuxuu amar ku bixiyay garab fadhigiisu yahay RAF Bentwaters oo taageeray howlgallada duqeynta. Wuxuu ku dhameeyay dagaalka isagoo haysta darajada hogaamiyaha duulimaadka wuxuuna ku sii jiray RAF kadib, isagoo ka hawlgalaya Gloster Meteors oo madax ka ah No. 266 (Rhodesia) Squadron.