At the end of World War II, North America contained the first and third-largest navies in the world: the United States Navy (USN) and the Royal Canadian Navy (RCN).
Kennedy, Greg C.
"The Canadian-American Alliance, 1955-1988: Some Maritime Considerations,"
Naval War College Review: Vol. 46
, Article 8.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol46/iss4/8