 He pioneered the virtues of mobility and concentration of firepower and developed the concept of indirect machine-gun fire.In 1920 Brutinel returned to Europe, where he was a Creusot sales representative in the Balkans, but he retained many Canadian ties.Major-General Georges Vanier, Canadian ambassador to France and future Governor General of Canada, recorded the "considerable help" Brutinel provided in evacuating embassy staff from Paris in June 1940 in advance of the German occupation of France in World War II.