▁of ▁f än rik . ▁Pal m st ier na ▁served ▁as ▁a ▁flight ▁instruct or ▁at ▁the ▁Swedish ▁Air ▁Force ▁F lying ▁School ▁( F ▁ 5 ) ▁from ▁ 1 9 4 3 ▁to ▁ 1 9 4 6 ▁and ▁was ▁promoted ▁to ▁lieutenant ▁in ▁ 1 9 4 4 . ▁He ▁attended ▁the ▁Staff ▁Cour se ▁at ▁the ▁Royal ▁Swedish ▁Air ▁Force ▁Staff ▁College ▁in ▁ 1 9 4 9 ▁and ▁was ▁appointed ▁captain ▁the ▁same ▁year . ▁From ▁ 1 9 5 3 ▁to ▁ 1 9 5 5 , ▁he ▁served ▁as ▁squad ron ▁commander ▁at ▁Hall and ▁Air ▁Force ▁Wing ▁( H all ands ▁fly g fl ot til j , ▁F ▁ 1 4 ). ▁▁ ▁From ▁ 1 9 5 5 ▁he ▁served ▁as ▁A ide - de - camp ▁to ▁Prince ▁Bert il , ▁Duke ▁of ▁Hall and ▁and ▁the ▁same ▁year ▁he ▁was ▁promoted ▁to ▁major . ▁He ▁was ▁posted ▁as ▁chief ▁of ▁staff ▁of ▁the ▁First ▁Air ▁Group ▁from ▁ 1 9 5 5 ▁to ▁ 1 9 5 9 ▁when ▁he ▁was ▁promoted ▁to ▁lieutenant ▁colon el , ▁and ▁the ▁same ▁year ▁he ▁studied ▁at ▁the ▁Swedish ▁National ▁Def ence ▁College . ▁He ▁was ▁then ▁posted ▁to ▁the ▁Def ence ▁Staff ▁from ▁ 1 9 6 0 ▁to ▁ 1 9 6 3 ▁as ▁head ▁of ▁the ▁Pl anning ▁Department ▁during ▁which ▁time ▁he ▁served ▁as ▁an ▁expert ▁in ▁the ▁ 1 9 6 0 ▁and ▁the ▁ 1 9 6