On August 31, 1939, the Permanent Force engineers included 50 officers (with 14 seconded to other branches of the Canadian Army) and 323 other ranks; the maximum size of the Corps was reached in 1944, when it included 210 officers and 6283 other ranks.Kerry, A. J. and McDill, W. A., The History of the Corps of Royal Canadian Engineers, vol. II (1936–1946), The Military Engineers Association of Canada, Ottawa, 1966.
