. ▁ ▁Early ▁life ▁Evans ▁was ▁born ▁in ▁ 1 9 5 4 . ▁He ▁graduated ▁from ▁the ▁Wel sh ▁National ▁School ▁of ▁Medicine ▁in ▁ 1 9 7 8 ▁Bach elor ▁of ▁Medicine , ▁Bach elor ▁of ▁S urg ery . ▁ ▁Military ▁career ▁On ▁ 1 8 ▁November ▁ 1 9 7 5 , ▁Evans ▁was ▁commission ed ▁into ▁the ▁Medical ▁Branch ▁of ▁the ▁Royal ▁Air ▁Force ▁as ▁a ▁pilot ▁officer . ▁He ▁was ▁given ▁the ▁service ▁number ▁ 5 2 0 3 3 2 9 . ▁On ▁ 1 3 ▁July ▁ 1 9 7 8 , ▁he ▁was ▁promoted ▁to ▁flying ▁officer , ▁following ▁his ▁qual ification ▁as ▁a ▁medical ▁doctor . ▁On ▁ 1 ▁August ▁ 1 9 7 9 , ▁he ▁was ▁promoted ▁to ▁flight ▁lieutenant . ▁His ▁first ▁post ings ▁were ▁as ▁a ▁junior ▁medical ▁officer ▁at ▁R AF ▁Wy ton ▁and ▁the ▁R AF ▁H osp it als ▁at ▁E ly , ▁Camb rid ges hire , ▁No ct on ▁Hall ▁and ▁R AF ▁Hal ton . ▁He ▁was ▁appointed ▁a ▁senior ▁medical ▁officer ▁in ▁ 1 9 8 3 . ▁This ▁followed ▁post ings ▁to ▁R AF ▁Le em ing , ▁R AF ▁Col t ish all ▁and ▁R AF ▁Valley . ▁He ▁transferred ▁from ▁a ▁short ▁service ▁to ▁a ▁regular ▁commission ▁on ▁ 3 ▁May ▁ 1 9 8 4 . ▁On ▁ 1 ▁August ▁ 1 9 8 4 , ▁he ▁was ▁promoted ▁to ▁squad ron ▁leader . ▁In ▁ 1 9