 He was at odds with the Amateur Hockey Association of the United States (AHAUS) and its president Tommy Lockhart, regarding the perceived lack of support from AHAUS for teams in the USHL.Lockhart was also president of the Eastern Hockey League, and that league announced plans to put teams in Michigan and Minnesota, after the USHL did not pay dues to AHAUS.Trumble was the general manager of the United States men's national ice hockey team for the 1970 World Ice Hockey Championships Pool B in Bucharest, the 1971 World Ice Hockey Championships Pool A in Switzerland, and the silver medal-winning team at the 1972 Winter Olympics in Sapporo.