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USS Requin Submarine

History of USS Requin SS-481

A uniquely immersive experience!

Man's quest to sustain life in the extreme environments of the ocean depths and space was realized in the 20th century during the Cold War. NASA and the Navy faced many of the same challenges and hazards including the effect of extreme temperatures on materials, pressurization and an unimaginably slim margin of error. For these reasons, NASA and Navy scientists collaborated on research and watched each other's progress very closely. In many ways, the Cold War was a race of technology and scientific discovery.

On a frigid New Year's Day morning in 1945, the nearly completed hull of the U.S. Navy's newest submarine, USS Requin, entered the water for the first time. As she readied for battle, the world was drastically changing. While at his Georgia retreat, President Roosevelt died. Vice President Truman was sworn in. Allied troops were rushing to Berlin as the war in Europe was ending. But as history has it, the Requin never actually entered battle. Her scheduled departure date was August 21, 1945. Fortunately World War II officially ended on the 15th.

Commissioned on April 28, 1945, as a Standard Fleet Submarine, USS Requin made its first journey to Hawaii to join the Pacific Fleet at Balboa. Arriving at Pearl Harbor in early August of the same year, the submarine prepared for its first war patrol. In port at Pearl Harbor Naval Base when World War II ended, USS Requin departed and headed west for Guam. The submarine was recalled to Pearl Harbor on October 26, 1945, with ultimate orders to sail to Staten Island, NY.

In January 1946, USS Requin was assigned to Submarine Squadron 4 for anti-submarine training. In August of the same year, the submarine returned to Portsmouth Naval Shipyard where it underwent its first of three conversions to become the first U.S. Navy Radar Picket Submarine.

In November 1946, USS Requin departed shipyard and headed for the Caribbean to test the conversion. In November 1947, the submarine moved for exercises north of the Arctic Circle under operational control of Submarine Division 82 and sailed with her sister ship, USS Spinax.

On January 20, 1948, USS Requin reported back to Portsmouth Naval Shipyard where it underwent its second conversion, a Migraine II conversion, and was reclassified to SSR-481. In December, the submarine departed shipyard and was assigned to Submarine Squadron 8 in New London, CT.

In 1949, USS Requin sailed its first deployment with the Sixth Fleet. In 1951, it departed Norfolk, VA, for a four-month deployment to the Mediterranean Sea. Over the next five years, the submarine would be deployed to the Mediterranean Sea four times until 1956 when it resumed duty with the Sixth Fleet in the Atlantic Ocean and Mediterranean Sea.

In June 1959, USS Requin reported to Charleston Naval Shipyard, Charleston, SC, for its final conversion to a Fleet Snorkel boat. Its radar equipment was removed, and it was reclassified to SS-481. In 1960, the submarine was deployed to the Mediterranean Sea once again.

USS Requin continued its operations with the Sixth Fleet until May 1964, when it resumed its duties with the Second Fleet.

On September 20, 1963, USS Requin completed its 5,000th dive.

In the Fall of 1966, the submarine extended deployment for operation UNITAS VII cruising around South America on exercises with various navies.

On April 4, 1967, USS Requin began its final deployment with the Sixth Fleet searching for a lost nuclear submarine.

On June 29, 1968, the submarine was reclassified as AGSS-481, non-combat duties. In October 1968, it became inactive at Norfolk, VA. Finally on December 3, 1968, USS Requin was decommissioned.

In 1969, the submarine remained in service as a Naval Reserve Trainer in St. Petersburg, FL. It remained a Trainer until 1971 when it was reclassified as IXSS-481, unclassified submarine. USS Requin was finally struck from the U.S. Navy list on December 20, 1971.

Today, the USS Requin Submarine serves a very different purpose, educating hundreds of thousands of visitors about life and science aboard a submarine from over 40 years ago. Preserved within her 312-foot-long hull is the technology of a bygone era. Fifty years after she was commissioned, the submarine is a far cry from the sleek nuclear-powered behemoths that now patrol our seas.



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