 Bull remained in contact with his counterparts in the US and the University of Toronto, and set about equipping the University with the instrumentation it would need to be a leader in the field of aerodynamics.Several years earlier, while still working at CARDE, Gerald and Mimi had purchased a plot of land on the Québec–Vermont border.Bull donated the land to be used by McGill and turned into a new ballistics lab, a private analog of the CARDE site.