United States Forces had a large presence in Canada during World War II and into the Cold War. Operations in North America were significant in terms of providing supplies to the Allies in Europe. This included the North Atlantic Ferry Route or what became known as the Crimson Project.
This presentation and summary are representative of these developments and how the two postal systems, US military and Canadian civilian, worked together in a time of crisis. The focus is on the US Forces at Churchill, Manitoba, Canada.