USN Submarines - May 2nd

1931 - USS R-7 (SS 84) is decommissioned

1931 - USS R-8 (SS 85) is decommissioned

1931 - USS R-9 (SS 86) is decommissioned

1942 - USS Sunfish (SS 281) is launched

1945 - USS S-11 (SS 116) is decommissioned for the second time

1951 - USS K-2 (Bass) (SS ) is launched

1963 - Keel is laid for the USS Kamehameha (SSBN 642) 

With Thanks to Myron Howard