February 14th - On This Date - USN Submarine Service

1910 - 

USS OCTOPUS (later-C-1) (SS-9) decommissioned at Charleston, SC

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1912 - 

 PCU E-1 (ex-SKIPJACK) (SS-24) commissioned USS E-1 at Fore River Shipbuilding Company, Quincy, MA; Lieutenant Chester W. Nimitz commanding.

1912 - 

 PCU E-2 (ex-STURGEON) (SS-25) commissioned USS E-2 at Fore River Shipbuilding Company, Quincy, MA; Ensign C. N. Hinkamp commanding.

1917 - 

PCU O-7 (SS-68) keel laid as O-7 at Fore River Shipbuilding Company, Quincy, MA.

1920 - 

PCU S-13 (SS-118) keel laid as S-13 at Portsmouth Navy Yard, Kittery, ME

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1940 -  

PCU GRAMPUS (SS-207) keel laid as GRAMPUS at the Electric Boat Company, Groton, CT.

1942 -  

PCU WAHOO (SS-238) launched at Mare Island Navy Yard, Vallejo, CA; sponsored by Mrs. William C. Barker, Jr

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1944 -

 PCU SHARK (SS-314) commissioned USS SHARK (SS-314) at the Electric Boat Company, Groton, CT; Comdr. E. N. Blakely commanding.

1945 -

PCU CONGER (SS-477) commissioned USS CONGER (SS-477) at Portsmouth Navy Yard, Kittery, ME; Lieutenant Commander H. D. Sipple commanding.

1946 - 

USS DENTUDA (SS-335) arrived at Pearl Harbor and reported for duty with Commander, Joint Task Force 1.

COB