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NavSource Online: Submarine Photo Archive

Unicorn (SS-436)

Radio Call Sign: November - Xray - Whiskey - Papa

Tench Class Submarine: Laid down, 25 April 1945, at Electric Boat Co., Groton, CT.; Contract canceled, 7 January 1946; Contract reinstated, 26 February 1946; Launched, 1 August 1946; Accepted by the US Navy, 3 September 1946; Laid up in the Atlantic Reserve Fleet at New London, CT.; Struck from the Naval Register, 17 November 1959; Final Disposition, sold for scrapping 10 July 1959 to Marlene Blouse Co., NYC for $ 13,600.00 & scrapped in Kearny, NJ.
Partial data submitted by Ron Reeves (of blessed memory)

As built to the specifications: Displacement, Surfaced: 1,980-2,000 t., Submerged: 2,415 t.; Length 311' 8"; Beam 27' 3"; Draft 15' 3"; Speed, Surfaced 20.25 kts, Submerged 8.75 kts; Cruising Range, 11,000 miles surfaced at 10kts; Submerged Endurance, 48 hours at 2kts; Operating Depth, 400 ft; Complement 76; Armament, ten 21" torpedo tubes, six forward, four aft, one 5"/25 deck gun, two single 20mm guns; Patrol Endurance 75 days; Fuel Capacity, 118,510 gals.; Propulsion, diesel-electric reduction gear with four main generator engines., two main motors with 5,400 shp, two 126-cell main storage batteries, two propellers.
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Size Image Description Source
Unicorn 50k Naso unicornis, the Unicorn fish. Courtesy of taatohdivers.com.
Unicorn 2.20k The keel laying of the Unicorn (SS-436), 25 April 1945, at Electric Boat Co.Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 90k William Spader printed cacheted cover commemorating the keel laying of the Unicorn (SS-436), 25 April 1945, at Electric Boat Co., Groton, CT. Courtesy of cgi.ebay.com.
Unicorn
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66k Postal cover of the keel laying of the Unicorn (SS-436), 25 April 1945, at Electric Boat Co., Groton, CT. Courtesy of flyingtigerantiques.com
Unicorn 2.94k Unicorn (SS-436) on the building ways, topside looking aft at time of cancellation on 16 January 1946. The boat on the right is the Walrus (SS-437); on the left is the Corsair (SS-435). Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Walrus 3.78k Walrus (SS-437), (on right) topside looking aft. Unicorn (SS-436) in center & Corsair (SS-435) on left, 16 January 1946. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 2.75k Pump room, looking forward at time of cancellation. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 2.79k Maneuvering room of the Unicorn (SS-436), looking forward. 16 January 1946 at Electric Boat, Groton CT. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 2.94k Aft battery compartment of the Unicorn (SS-436), looking forward. 16 January 1946 at Electric Boat, Groton CT. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 2.61k Forward battery compartment of the Unicorn (SS-436), looking aft. 16 January 1946 at Electric Boat, Groton CT. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn 2.70k Control room of the Unicorn (SS-436), looking aft. 16 January 1946 at Electric Boat, Groton CT. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.
Unicorn
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1.09k Postal cover of the launching of the Unicorn (SS-436), on 1 August 1946 at Electric Boat Co., Groton, CT. Courtesy of ebay.com
Unicorn 2.20k The Unicorn (SS-436) was sponsored by Mrs. William A. Rowan on 1 August 1946. Her husband was U.S. Representative from Illinois's 2nd district from 1943 to 1947. Electric Boat / USN photo courtesy of Wendy S. Gulley, Archivist, Submarine Force Museum, Naval Submarine Base NLON, Groton, CT.

View the Unicorn (SS-436)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
Not Applicable to this vessel
Additional Resources and Web Sites of Interest
Tench Class Submarines
Ep-21 (1) - Victory At Sea ~ Full Fathom Five - HQ

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