October 23rd - On This Date - USN Submarine Service

    1919 - USS R-23 (SS 100) is commissioned

    1919 - USS R-25 (SS 102) is commissioned

    1919 - USS R-26 (SS 103) is commissioned

    1922 - USS H-2 (SS 29) is decommissioned

    1922 - USS H-3 (SS 30) is decommissioned

    1922 - USS H-6 (SS 149) is decommissioned

    1922 - USS H-7 (SS 150) is decommissioned

    1937 - USS Skipjack (SS 184) is launched

    1939 - USS Seadragon (SS 194) is commissioned

    1945 - USS S-33 (SS 138) is decommissioned for the second time

    1945 - USS S-34 (SS 139) is decommissioned

    1954 - USS Hammerhead (SS 364) is decommissioned for the third and final time

    1961 - Keel is laid for the USS Henry Clay (SSBN 625)

    1965 - USS Mariano G. Vallejo (SSBN 658) is launched