John S. McCain Jr. was expelled from the submarine service.
 When the Japanese attacked Hawaii in December 1941, 111 boats were in commission; 203 submarines from the  Gato,  Balao, and  Tench classes were commissioned during the war
 In 1995, Solveig Krey of the Royal Norwegian Navy became the first female officer to assume command on a military submarine, HNoMS Kobben

