Class: Tench Submarine
Launched: January 1, 1945
At: Portsmouth Navy Yard, Portsmouth, New Hampshire
Commissioned: April 28, 1945
Length: 311 feet, 7 inches
Beam: 27 feet, 2 inches
Draft: 17 feet (surface trim)
Displacement: 1,800 tons (surfaced)
Armament: six 21-inch torpedo tubes
Address:
USS Requin (SS-481)
Carnegie Science Center
1 Allegheny Avenue
Pittsburgh, Pennsylvania 15212
(412) 237-1550
Fax: (412) 237-3375
http://www.carnegiesciencecenter.org/default.aspx?pageId=38
Latitude: 40.445106, Longitude: -80.018492
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USS Requin was on her way to the western Pacific under the command of submarine ace Commander Slade Deville Cutter when World War II ended. Like most of her Tench-class sisters, Requin did not spend the Cold War in mothballs. Instead, she returned to the shipyard for conversion to a radar picket submarine under Project Migraine. Requin and her sister radar picket subs provided surface battle groups with early warning of enemy air attacks, helped direct friendly air strikes, and provided mid-course guidance for submarine-launched Regulus missiles. In her new role as a submersible radar and control center, Requin‘s after compartment was filled with state-of-the-art radars, communications gear, and control equipment.
When smaller, lighter, and far more capable airborne radars made the Migraine boats obsolete, Requin returned to the role of attack submarine as a fleet snorkel conversion. The radars were removed from the after compartment but her aft torpedo tubes were not replaced. Instead, the compartment became a large berthing space. In the 1960s, Requin participated in joint ASW exercises with many South American navies and was also deployed to the Mediterranean.
Requin is the only remaining submarine to have undergone the Migraine conversion.
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