October 7th - On This Date - USN Submarine Service

1916 - Keel is laid for the USS O-16 (SS 77)

    1918 - USS R-19 (SS 96) is commissioned

    1931 - Keel is laid for the USS Cuttlefish V-9 ( SS 171)

    1942 - USS Tinosa (SS 283) is launched

    1943 - USS S-44 (SS-155) was lost on 7-Oct-1943 with the loss of 56 officers and men when it was sunk on 5th patrol off Paramushiru, Kuriles (Northern); One day out of Attu (2 men were taken prisoner, both survived the war).

Credit - Ron Howard