Kammala jumla mai zuwa: Bayan ya koma Ostiraliya, an nada Wilton Brigadier mai kula da Gudanarwa a Babban Ofishin Gabas, mukaminsa na farko na gudanarwa. A watan Nuwambar 1955 an sanya shi ga Janar Janar a AHQ, inda yake da alhakin leken asiri, ayyuka da tsare-tsare, kuma ya shiga cikin shirye-shiryen Ostiraliya don atisayen SEATO. An daukaka shi zuwa Manjo Janar a ranar 24 ga Maris, 1957, kuma ya zama Kwamandan Kwalejin Soja ta Royal, Duntroon. Kodayake ba shi da addini sosai, Wilton ya ɗauki kansa da alhakin ci gaban ruhaniya da ɗabi'a na ƙananan ɗalibai; ya yi niyyar halartar fareti na coci a kai a kai, kuma a cikin 1959 da kansa ya gabatar da roƙon kuɗi na jama'a don gina Kwalejin Kwalejin Kwalejin Anzac, wanda za a bude a 1966. Babban burinsa, duk da haka, ilimi ne: yana damuwa da cewa masu digiri suna cikin haɗarin faduwa a baya ga takwarorinsu masu ƙwarewa a masana'antu da sabis na jama'a, ya yi aiki tuƙuru don sanya kwalejin a matsayin cibiyar bayar da digiri; wannan ya zama gaskiya a 1967. Daga Yuni 1960 zuwa 1962, Wilton ya kasance Shugaban Ofishin Shirye-shiryen Soja a hedkwatar SEATO, Bangkok. Ya yi imanin cewa Thailand tana da mahimmanci, yana mai cewa "idan kuna son riƙe kudu maso gabashin Asiya, kuna buƙatar riƙe Thailand". Matsayinsa ya ba shi damar lura da hankali
Yanayi mai lalacewa a Laos, wanda ke barazanar yaduwa zuwa Thailand, da kuma Yammacin Yammacin Yammacin Yammacin Vietnam. An nada shi a matsayin Companion na Order of Bath (CB) a cikin 1962 Sarauniya ta Ranar Haihuwar Honours, musamman don "alhakinsa mai mahimmanci ga aiki da kuma manufarsa" a matsayin Kwamandan Duntroon. A ranar 21 ga watan Janairun 1963, an daukaka Wilton zuwa Laftanar Janar kuma ya zama Shugaban Janar Janar (CGS), wanda ya gaji Laftanar Janar Sir Reginald Pollard. An nada shi a matsayin Knight Commander na Dokar Daular Burtaniya (KBE) a cikin Honours na Sabuwar Shekara ta 1964.