Ku dhammee weedhan soo socota: Sanadkii 1941, Keith wuxuu tababar ku qaatay duuliye ahaan qorshaha tababarka hawada ee British Commonwealth. Wuxuu ka qalin jabiyay Dugsiga Tababarka Bilowga ah dabayaaqadii Janaayo 1941, ka dibna wuxuu ka qeybgalay Dugsiga Tababarka Duulista Aasaasiga ah bishii Maarso. Wuxuu ka qalin jabiyay Dugsiga Tababarka Duulista Adeegga bishii Juun 1941 waxaana loo diray dibedda, isagoo ku biiray No. 402 "City of Winnipeg" Squadron RCAF halkaas oo uu ku duulay Hurricane IIB, ilaa uu u beddelay Spitfire VBs intii lagu jiray Dagaalkii sokeeye ee Mareykanka.
Duulaankii Dieppe ee bishii Agoosto 1942.