Serving as Chief of the General Staff from 1954 to 1958, Wells' career culminated with his appointment as the first Chairman, Chiefs of Staff Committee, a position marking him as the professional head of the Australian Military.
Shërbyer si Shefi i Shtabit të Përgjithshëm 1954-1958, karriera Wells 'kulmoi me emërimin e tij si Kryetar i parë, Shefat e Shtabit të Komitetit, një pozicion që shënon atë si kreu profesional i Ushtarake Australiane.