▁ 1 9 6 8 ▁M unn ▁took ▁his ▁release ▁to ▁study ▁phys i ology ▁at ▁the ▁University ▁of ▁British ▁Columbia . ▁He ▁rejo ined ▁with ▁six ▁Field ▁Squadron ▁R CE ▁and ▁was ▁commission ed ▁from ▁the ▁ranks ▁in ▁January ▁ 1 9 7 0 , ▁serving ▁as ▁a ▁Tro op ▁Commander ▁and ▁as ▁Squadron ▁Training ▁Officer ▁among ▁other ▁duties . ▁ ▁M unn ▁( a ▁Captain ▁at ▁the ▁time ) ▁moved ▁to ▁Cal g ary ▁in ▁ 1 9 7 1 ▁to ▁study ▁medicine ▁at ▁the ▁University ▁of ▁Cal g ary ▁and ▁received ▁his ▁MD ▁in ▁ 1 9 7 4 . ▁During ▁this ▁time ▁he ▁joined ▁the ▁staff ▁of ▁Head quarters ▁South ▁Al berta ▁District . ▁In ▁ 1 9 7 4 ▁M unn ▁was ▁promoted ▁to ▁the ▁rank ▁of ▁Major ▁and ▁posted ▁to ▁the ▁Kings ▁O wn ▁Cal g ary ▁Regiment ▁where ▁he ▁served ▁as ▁a ▁squad ron ▁training ▁commander ▁and ▁deput y ▁commander ▁until ▁ 1 9 7 7 . ▁In ▁ 1 9 7 7 ▁he ▁was ▁again ▁transferred ▁and ▁posted ▁to ▁ 1 4 ▁Service ▁Battalion ▁where ▁he ▁served ▁as ▁deput y ▁commander ▁until ▁ 1 9 8 0 ▁when ▁he ▁was ▁made ▁command ing ▁officer ▁and ▁given ▁the ▁freedom ▁of ▁the ▁City ▁of ▁Cal g ary . ▁ ▁In ▁ 1 9 7 9 ▁M unn ▁received ▁his ▁Fellow ship ▁in ▁the ▁Royal ▁College ▁of ▁Phys icians ▁of ▁Canada ▁in ▁the ▁field ▁of ▁an est hes ia . ▁This ▁was ▁quickly ▁followed ▁by ▁his ▁multi -