USN Submarines - May 15th

1918 - Keel is laid for the USS H-7 (SS 150)

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

1930 - USS Narwhal V-5 ( SS 167) is commissioned

1931 - USS R-17 (SS 94) is decommissioned

1931 - USS R-19 (SS 96) is decommissioned

1931 - USS R-20 (SS 97) is decommissioned

1941 - Keel is laid for the USS Amberjack (SS 219)

1942 - USS Wahoo (SS 238) is commissioned

1943 - Keel is laid for the USS Pilotfish (SS 386)

1945 - Keel is laid for the USS Wahoo (SS 516). This boat was never completed but broken up (scrapped) on the ways at Mare Island.

1952 - USS Bang (SS 385) is decommissioned for the second time

1965 - USS Guardfish (SSN 612) is launched

1967 - USS Redfin (SS 272) is decommissioned for the second time

1968 - USS Spadefish (SSN 668) is launched

1969 - USS Tautog (SSN-639) In collision with Soviet submarine

1971 - USS Pogy (SSN 647) is commissioned

1973 - USS Grenadier (SS 525) is decommissioned

1991 - Keel is laid for the USS Louisiana (SSBN 743) 

Thanks to Myron Howard