February 23rd - On This Date - USN Submarine Service

1921 - 

 PCU S-46 (SS-157) keel laid as S-46 at Bethlehem Shipbuilding Corporation, Quincy, MA

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1944 - 

PCU SEA POACHER (SS-406) keel laid as SEA POACHER at Portsmouth Navy Yard, Kittery, ME.

1945 - 

 Ex-S-37 (SS-142) struck from the Naval Vessel Register.

1950 -

 PCU K-2 (BASS) (SS-551) keel laid as K-2 at Mare Island Naval Shipyard, Vallejo, CA.

2004 - 

USS LA JOLLA (SSN-701) departed for a scheduled western Pacific deployment. The submarine was equipped with the Special Operations capable Dry Deck Shelter (DDS) which can allow special operation forces including Navy SEALs (Sea, Air, Land) to deploy undetected from the sub.

2005 - 

 USS NEBRASKA (SSBN-739) was underway in the Atlantic Ocean out of Kings Bay, GA.

COB