Ka dib markii muddadii uu joogay Kanada ay dhammaatay 1946, MacDonald wuxuu u wareegay inuu u adeego jagooyin kale oo Imperial ah: isagoo ahaa Guddoomiyaha Guud ee dhulalka Ingiriiska ee Koonfur Bari Aasiya laga soo bilaabo 1946 ilaa 1948 ka dibna Taliyaha Guud ee Koonfur Bari Aasiya oo daboolaya arrimaha gobolka sidoo kale inta lagu gudajiray kacdoonka shuuciga
; sida Wakiilka Sare ee Hindiya laga bilaabo 1955 ilaa 1960; sida wada-gudoomiyaha Shirka Laos; iyo ugu dambeyntii Gudoomiyaha Guud ee Kenya intii u dhaxeysay 1963 iyo 1964.