US submarine doctrine, 1944

[Joe S]

This may have been posted before, but in case it has not, you can find a copy of the 1944 U.S. submarine doctrine here:http://www.ibiblio.org/hyperwar/USN/ref/SS-Doct/index.html

Joe S

[U570]

This reminds me of what I've got at home; 1940 Bluejackets manual, and in very good nick