<prompt> Qedela umusho olandelayo: Ngemva kwempi, ngemva kokubuyela ebuntathelini okwesikhashana, uYoung wabuyela kuyi-Secret Intelligence Service SIS njengenhloko yesiteshi sayo saseVienna, lapho ayehileleke khona ekuqhubeni ama-agent eningizimu-mpumalanga yeYurophu. Ngo-1949 waba yinhloko yesigaba sezidingo zezomnotho R6 se-SIS, indawo yabo yokuxhumana noMgcinimafa, iBhodi Yezohwebo kanye neBhange LaseNgilandi. Ngo-1951 wamiswa njengomphathi we-SIS operations eMiddle East Area eyayisukela eMorocco kuya e-Afghanistan kuya e-Ethiopia. Lapha waba nengxenye ekusebenziseni isinqumo se-Anglo-American  <response>: susa umholi wase-Iran uMossadeq futhi ubuyisele uShah. Ngokusho kukaCavendish, uShah kamuva wathi ngoYoung ukuthi Ngesikhathi sobunzima uyindoda engathatha izinqumo futhi aphonse ukuqapha emoyeni. UYoung uyindoda ekholelwa ukuthi ubungane buzuzisa kokubili futhi iBrithani kufanele ibasekele abangane bayo ngisho noma lokho kungase kulimaze abanye. Ngo-1953 uYoung wabuyiselwa eLondon ukuze athathe isikhundla sokuba nguMqondisi Wezidingo ze-SIS kwathi ngo-1956, ngesikhathi senhlekelele yaseSuez, waphinde wabekwa ukuba abe ngumqondisi weMiddle East Operations. Ngo-1959 wamiswa njengePhini Likamongameli Wemisebenzi Yobunhloli. Ukunganeliseki kwakhe nguhulumeni kaMacmillan kwamholela ekutheni ashiye isikhundla sakhe sokuba yiSekela le-MI6 ngo-1961 futhi angene ebhizinisini lezezimali. 