▁Edu c ated ▁at ▁the ▁Royal ▁Naval ▁College , ▁D art mouth , ▁Jung ius ▁was ▁commission ed ▁a ▁sub - lie utenant ▁on ▁ 1 ▁February ▁ 1 9 4 3 . ▁He ▁served ▁in ▁the ▁Royal ▁Navy ▁during ▁World ▁War ▁II ▁and ▁took ▁part ▁on ▁comm ando ▁operations ▁in ▁the ▁Adri atic ▁Sea . ▁During ▁the ▁Italian ▁Camp aign , ▁he ▁took ▁part ▁in ▁the ▁capture ▁of ▁Term oli ▁in ▁Operation ▁Dev on , ▁for ▁which ▁he ▁was ▁mentioned ▁in ▁dispatch es . ▁ ▁He ▁was ▁promoted ▁to ▁lieutenant - comm ander ▁on ▁ 1 ▁December ▁ 1 9 5 1 , ▁and ▁to ▁commander ▁on ▁ 3 1 ▁December ▁ 1 9 5 5 . ▁He ▁took ▁command ▁of ▁the ▁destroy er ▁HMS ▁W izard ▁during ▁the ▁S uez ▁Cris is ▁in ▁ 1 9 5 6 . ▁Prom oted ▁to ▁captain ▁on ▁ 3 0 ▁June ▁ 1 9 6 3 , ▁he ▁was ▁appointed ▁Ass istant ▁Naval ▁attach é ▁in ▁Washington ▁D . ▁C . ▁in ▁ 1 9 6 8 ▁and ▁Captain ▁of ▁the ▁aircraft ▁car rier ▁HMS ▁Alb ion ▁in ▁ 1 9 7 1 . ▁▁ ▁Jung ius ▁was ▁promoted ▁to ▁rear ▁adm iral ▁on ▁ 7 ▁July ▁ 1 9 7 2 ▁and ▁appointed ▁Ass istant ▁Chief ▁of ▁the ▁Naval ▁Staff ▁( Oper ational ▁Re quire ments ) ▁the ▁same ▁year . ▁He ▁was ▁promoted ▁to ▁vice - ad mir al ▁on ▁ 8 ▁September ▁ 1 9 7 4 , ▁and ▁was ▁appointed