Kammala wannan jumla: A 1941, Keith ya horar da shi a matsayin matukin jirgi ta hanyar Tsarin Horar da Jirgin Sama na Commonwealth na Burtaniya. Ya kammala karatunsa daga Makarantar Horar da Farko a ƙarshen Janairu 1941, sannan ya halarci Makarantar Koyar da Jirgin Sama a watan Maris. Ya sauke karatu daga Makarantar Koyar da Jirgin Sama a watan Yunin 1941 kuma an tura shi zuwa kasashen waje, ya shiga No. 402 "City of Winnipeg" Squadron RCAF inda ya tashi da Hurricane IIB, har sai ya canza zuwa Spitfire VBs a lokacin yakin basasa.
Dieppe Raid a watan Agusta 1942.