February 24th - On This Date - USN Submarine Service

1913 - 

Ex-A-1 (ex-PLUNGER) (SS-2) struck from the Naval Vessel Register.

1915 - 

PCU L-8 (SS-48) keel laid as L-8 at Portsmouth Navy Yard, Kittery, ME.

1943 - 

PCU BURRFISH (SS-312) keel laid as BURRFISH at Portsmouth Navy Yard, Kittery, ME.

1945 - 

PCU HOE (SS-258) collided while submerged with USS FLOUNDER (SS-251) off the coast of Indochina in one of the most unusual accidents of the war. While steaming at a depth of 60 feet HOE struck an object and broached, sustaining only light damage. Subsequent analysis proved that she had actually collided with FLOUNDER, one of the only submerged collisions on record. Ending her last patrol at Pearl Harbor, HOE returned to the United States for repairs. FLOUNDER sustained only a slight leak which was quickly brought under control.

1949 - 

PCU TRIGGER (SS-564) keel laid as TRIGGER at the Electric Boat Company, Groton, CT.

1958 - 

PCU SHARK (SSN-591) keel laid as SHARK at Newport News Shipbuilding and Drydock Company, Newport News, VA.

1962 - 

PCU THOMAS JEFFERSON (SSBN-618) launched at Newport New Shipbuilding and Drydock Company, Newport News, VA; sponsored by Mrs. Robert S. McNamara

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1964 - 

Rota, Spain became the second Polaris Advanced Base (Holy Loch, Scotland was first) as USS Proteus (AS-19) arrived as the tender to Squadron 16.

1989 - 

 USS BENJAMIN FRANKLIN (SSBN-640) suffered an onboard fire while submerged in Atlantic Ocean

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1995 -  

PCU TOLEDO (SSN-769) commissioned USS TOLEDO (SSN-769) at Newport News Shipbuilding and Drydock Company, Newport News, VA.

2006 -  

PCU PASADENA (SSN-752) participated in an Undersea Warfare Exercise (USWEX) with the USS Peleliu (LHA 5) Expeditionary Strike Group (ESG) 3 near Hawaii, February 21 to 24.

USWEX is an exercise that assesses anti-submarine warfare (ASW) capabilities of a carrier or expeditionary strike group, including the command and control of air, surface, subsurface and theater assets. The Peleliu ESG's exercise was planned by the Pearl Harbor-based Commander Antisubmarine Warfare Force Pacific, or CTF 12.

COB