One manifestation was the agreement in February 1942 by both nations to construct the Alaska Highway as a defence project, followed by the Royal Air Force's decision to construct RAF Station Comox to boost Commonwealth air defence for Canada's west coast.
One manifestation of their cooperation was the agreement in February 1942 to build the Alaska Highway as part of a defense project, which was later supplemented by the Royal Air Force's decision to construct RAF Station Comox to strengthen Canada's west coast with improved air security.