WW2 submarine warfare in the Pacific, rare footage

[bob10]

A very good yarn, especially the overview of the Battle of Leyte Gulf, Bob
Go full screen, for best viewing.


https://youtu.be/x8DxhS8wpoI

[bob10]

The Mk 14 torpedo, problems explained. Bob


U.S. Torpedo Troubles During World War II (http://www.historynet.com/us-torpedo-troubles-during-world-war-ii.htm)
edit- poetic justice , designing & manufacturing firing pins that worked out of propellers from Japanese aircraft downed at Pearl Harbour, 1941.