▁ ▁Career ▁ ▁Military ▁career ▁During ▁the ▁First ▁World ▁War , ▁McK er ron ▁was ▁with ▁the ▁ 4 th ▁Battalion , ▁The ▁Gordon ▁High land ers ▁in ▁France , ▁where ▁he ▁was ▁wounded ▁in ▁ 1 9 1 7 . ▁He ▁was ▁transferred ▁to ▁Indian ▁Army ▁serv icing ▁with ▁the ▁ 2 0 th ▁P un j ab ▁Regiment ▁in ▁the ▁P un j ab ▁and ▁on ▁the ▁North ▁West ▁Front ier . ▁ ▁Civil ▁career ▁ ▁Prior ▁to ▁Second ▁World ▁War ▁McK er ron ▁joined ▁the ▁Mal ay an ▁Civil ▁Service ▁in ▁ 1 9 2 0 ▁was ▁appointed ▁as ▁acting ▁Ass istant ▁Super int endent ▁in ▁the ▁Mon opol ies ▁Department ▁( Sing ap ore ). ▁Between ▁ 1 9 2 2 ▁and ▁ 1 9 2 4 , ▁he ▁was ▁a ▁District ▁Officer ▁in ▁Jas in , ▁Mal ac ca . ▁In ▁January ▁ 1 9 2 5 , ▁he ▁was ▁appointed ▁as ▁District ▁Officer ▁( N ith ong ▁T eb al ), ▁Ass istant ▁District ▁Judge ▁( Sing ap ore ▁and ▁Pen ang ) ▁and ▁Police ▁Mag istr ate ▁( P en ang ). ▁In ▁ 1 9 2 8 , ▁he ▁was ▁the ▁British ▁Res ident ▁to ▁Br une i . ▁In ▁ 1 9 3 2 , ▁he ▁was ▁the ▁Secretary ▁of ▁F . M . S . ▁Ret rench ment ▁Committee ▁and ▁in ▁the ▁following ▁year , ▁he ▁appointed ▁Super int endent ▁of ▁Ta ip ing ▁Con v ict ▁Est ab lish ment . ▁Between