SS-481 - First Crew Insignia
USS REQUIN (SS-481/SSR-481) - Key Historical Dates
1960s Crew Patch

Class: Tench                             Building Yard: Portsmouth Naval Shipyard, New Hampshire


June 17, 1943 REQUIN ordered as one of 80 Tench-class hulls.
August 24, 1944 Keel laid at Portsmouth NSY.
January 1, 1945 REQUIN is launched.
April 28, 1945 REQUIN is commissioned at 11:30 AM, with Slade Cutter as the first CO.
June 1945 REQUIN departs New London, CT for Pearl Harbor and the Pacific theater.
August 15, 1945 REQUIN is in Pearl Harbor, preparing for her first war patrol when the war ends.
August 26, 1945 REQUIN departs for the United States, with orders to report to the Atlantic Fleet. She arrives at the Naval Frontier Base, Staten Island (New York) on September 17, 1945.
January 6, 1946 Requin departs New York for Key West Naval Station, Florida, becoming a unit of Submarine Squadron 4.
August - November 1946 REQUIN is in Portsmouth Naval Shipyard, undergoing modification to an early radar picket configuration.
November 13, 1947 REQUIN crosses the Arctic Circle, participating in exercises with her sister radar
picket submarine SPINAX (SS-489).
January 20, 1948 REQUIN reclassified as SSR-481. Begins modification to the MIGRAINE II Radar Picket configuration at Portsmouth NSY, NH.
December 1948 REQUIN departs Portsmouth NSY after competing trials with new radar equipment and reports to New London, Connecticut for duty with Submarine Squadron 8.
June 15, 1949 REQUIN is transferred to Norfolk Navy Base and reports to Submarine Squadron 6.
January 9, 1951 REQUIN departs for the Mediterranean for her first deployment with the US Sixth Fleet.
April 25, 1956 REQUIN earns an "Outstanding" during an Operational Readiness Inspection, the first radar picket submarine to receive this award.
June to August 1959 REQUIN reports to the Navy Yard in Charleston, South Carolina for removal of all radar equipment and conversion to Fleet Snorkel configuration.
August 15, 1959 REQUIN reclassified as SS-481.
 
After conversion to Fleet Snorkel, REQUIN rejoins SubRon 6 in Norfolk and begins operations as a normal attack submarine. She would remain in this role until her decommissioning in December of 1968.

September 20, 1963 REQUIN completes her 5,000th dive.
September 14, 1966 REQUIN departs for UNITAS VII exercises with various South American navies, along with circumnavigation of the South American continent.
April 4, 1967 REQUIN departs Norfolk for her final deployment with the Sixth Fleet in the Mediterranean.
May 28, 1968 In her last deployment before decommissioning, REQUIN departs Norfolk as part of the major search effort for the missing nuclear attack submarine USS SCORPION (SSN-589).
June 29, 1968 REQUIN is reclassified as AGSS-481 (Miscellaneous Auxiliary Submarine).
December 3, 1968 REQUIN is decommissioned after 23 years of service.
February 1969 REQUIN is towed to St. Petersburg, Florida to serve as a Naval Reserve Training Ship.
June 30, 1971 REQUIN is reclassified as IXSS-481 (Unclassified Obsolete Submarine).
December 20, 1971 REQUIN is stricken from the Navy List.
June 17, 1972 REQUIN is transferred to Tampa, Florida as a tourist attraction. (She would be operated in this role until 1986, when she was closed down, due to the lack of funding and support.)
February 21, 1990 Senate Bill S.2151 is introduced in the US Senate by the late Sen. John Heinz
(R-Pa) which would allow REQUIN to be transferred as an exhibit for the new Carnegie Science Center in Pittsburgh, Pennsylvania.
May 24, 1990 REQUIN is towed to Tampa Shipyard for dry docking and hull repairs, in preparation
for her move to Pittsburgh.
August 7, 1990 REQUIN leaves International Ship Repair in Tampa under tow to Baton Rouge, Louisiana, where she will be placed onto barges for tow up the Mississippi River, up the Ohio River to Pittsburgh.
August 11, 1990 REQUIN begins to be towed up the Mississippi.
September 4, 1990 REQUIN arrives in Pittsburgh at her berth on the Ohio River, in front of the new Carnegie Science Center.

October 20, 1990

REQUIN is dedicated as a memorial and first museum exhibit at
the Carnegie Science Center. Open for tours.



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