February 21st - On This Date - USN Submarine Service

1917 -  

PCU N-3 (SS-55) launched at Seattle Construction and Drydock Company, Seattle, WA; sponsored by Miss Bertha Coontz.

1918 -  

PCU O-10 (SS-71) launched at Fore River Shipbuilding Company, Quincy, MA; sponsored by Mrs. John E. Bailey.

1921 - 

PCU S-9 (SS-114) commissioned USS S-9 (SS-114) at Portsmouth Navy Yard, Kittery, ME; Lt. Comdr. Thomas Shine commanding.

1921 -

PCU S-41 (SS-146) launched at Bethlehem Shipbuilding Corporation, San Francisco, CA; sponsored by Mrs. John F. Conners.

1923 -  

PCU S-32 (SS-137) commissioned USS S-32 (SS-136) at Union Iron Works, San Francisco, CA; Lt. Edward E. Hazlett, Jr. commanding.

1942 - 

PCU LAPON (SS-260) keel laid as LAPON at the Electric Boat Company, Groton, CT.

1942 - 

PCU TINOSA (SS-283) keel laid as TINOSA at Mare Island Navy Yard, Vallejo, CA.

1943 -

 PCU BLUEFISH (SS-222) launched at the Electric Boat Company, Groton, CT; sponsored by Mrs. Robert Y. Menzie.

1944 - 

PCU CHIVO (SS-341) keel laid as CHIVO at the Electric Boat Company, Groton, CT.

1944 - 

PCU SEA CAT (SS-399) launched at Portsmouth Navy Yard, Kittery, ME; sponsored by Mrs. E. L. Cochrane.

1953 - 

USS ICEFISH (SS-367) third and final decommisssioning; transferred (loaned) under terms of the Military Defense Assistance Program to The Netherlands, renamed Walrus (S-802)

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1955 - 

USS POMODON (SS-486) was damaged by an explosion and fire caused by excess hydrogen formation during battery charging in the San Francisco Naval Yard, CA. Five crewmen died along with three firemen from the Navy Yard.

1956 - 

PCU SARGO (SSN-583) keel laid as SARGO at Mare Island Naval Shipyard, Vallejo, CA.

1976 - 

PCU OMAHA (SSN-692) launched at the Electric Boat Division, General Dynamics Corporation, Groton, CT.

1976 - 

 PCU JACKSONVILLE (SSN-699) keel laid as JACKSONVILLE at the Electric Boat Division, General Dynamics Corporation, Groton, CT.

2001 - 

USS GREENEVILLE (SSN-772) sat atop blocks in Dry Dock #1 at the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, HI. GREENEVILLE was dry-docked to examine damage and perform necessary repairs following a tragic February 9th collision at sea with the Japanese fishing vessel Ehime Maru approximately nine miles off the coast from Diamond Head, HI. The Japanese ship sank in 2,000 feet of water and nine persons remain missing and presumed dead.

2003 -  

USS SAN JUAN (SSN-751) arrived at Souda Bay, Crete, Greece. SAN JUAN was home-based in Groton, CT.

2006 -  

Both crews of USS PENNSYLVANIA (SSBN-735) combined their efforts to win the TRIDENT Submarine Outstanding Performance Award for 2005, presented at Bangor, WA.

COB