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NavSource Online: Submarine Photo Archive


Contributed by Mike Smolinski

Entemedor (SS-340)

Radio Call Sign: November - Kilo - Golf - Foxtrot

Balao Class Submarine: Original name Chickwick, name changed on 24 September 1942. Laid down, 3 February 1944 at the Electric Boat Company, Groton, CT; Launched 17 December 1944; Commissioned USS Entemedor (SS-340) on 6 April 1945. Decommissioned on 10 December 1948 at Mare Island Naval Shipyard, Vallejo, CA and laid up in Pacific Reserve Fleet.
Re-commissioned on 24 October 1950. Sailed for New London, CT. on 2 January 1951. Entered Electric Boat Company yards on 31 January 1952 for extensive modernization under Guppy IIA program and received her Guppy bow and Electric Boat "sail" to house snorkel and mast equipment.
Placed in reserve commission on 28 February 1952 and back in active status on 17 October 1952. During overhaul at Philadelphia Naval Shipyard in March 1954, she underwent extensive electronics, sonar and machinery modernization.
Pursuant to the Security Assistance Program, Entemedor was transferred (leased) to the Republic of Turkey on 31 July 1972. Renamed/renumbered and Commissioned TCG Preveze (S-345) same day. On 1 August 1973, the ex-Entemedor was struck from the Naval Vessel Registry (NVR) and disposed of (cash sale) to the Republic of Turkey and the title transferred. TCG Preveze (S-345) continued to serve in the Turkish Submarine Forces until her Decommissioning on 20 March 1986. Final disposition and fate are unknown.
Researched by CTRC Donald J. Wagner, USN (Ret.) for NavSource. Data i.d. contributed by Chuck Jensen.

Specifications: Displacement, Surfaced: 1,526 t., Submerged: 2,242 t.; Length 311' 9"; 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 6 Officers, 60 Enlisted; Armament, ten 21" torpedo tubes, six forward, four aft, 24 torpedoes, one 5"/25 deck gun, one 40mm gun, one 20mm gun, two .50 cal. machine guns; Patrol Endurance 75 days; Propulsion, diesel-electric reduction gear with four main generator engines., General Motors diesel engines, HP 5400, Fuel Capacity 118,000, four General Electric motors, HP 2,740, two 126-cell main storage batteries, two propellers.
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Entemedor17kCommemorative postal cover marking Entemedor's (SS-340) keel laying, 3 February 1944 at the Electric Boat Company, Groton, CT.Courtesy of Jack Treutle.
Entemedor28kCommemorative commissioning post card of the launching of the Entemedor (SS-340), 17 December 1944.Courtesy of Richard Leonhardt.
Entemedor77k Entemedor (SS-340) in original WW II configuration. Courtesy of John Maxwell, former crewmember.
Entemedor20kCommemorative postal cover marking the commissioning of the Entemedor (SS-340), 6 April 1945. Courtesy of Jack Treutle.
Entemedor389k Overhead WWII era photo of the Entemedor (SS-340), underway, place unknown.US Navy photo courtesy of ussubvetsofwwii.org
Entemedor84k Decommissioning ceremonies aboard Entemedor (SS-340) at Mare Island on 10 Dec 1948.US Navy photo # 2530-12-48, courtesy of Darryl Baker.
Entemedor185k Recommissioning ceremonies aboard Entemedor (SS-340) at Mare Island on 24 Oct 1950. US Navy photo # 7248-10-50, courtesy of Darryl Baker.
Entemedor85k Port side view of the Entemedor (SS-340), before she was converted to a Guppy, circa 1951.Courtesy of John Maxwell, former crewmember.
New London 210k Fulton (AS-11) at the state pier New London, CT. in March 1953. Submarines present include Entemedor (SS-340), Halfbeak (SS-352), Angler (SS-240),Razorback (SS-394), Tusk (SS-426), and Hardhead (SS-365). SS P&T Leader is across the pier. US Naval Historical Center photo # NH-905254 courtesy of aimm.museum.(Arkansas Inland Maritime Museum at North Little Rock). Courtesy of CAPT Joseph A. Enright, USN (ret).
Entemedor74kStarboard side view of the Entemedor (SS-340), underway in 1956, place unknown.US Navy photo courtesy of ussubvetsofwwii.org
Entemedor174k Entemedor (SS-340), entering Monaco April 57.Courtesy of Chuck Jensen.
Entemedor145k Entemedor (SS-340), underway in the Mediterranean.Courtesy of Chuck Jensen.
Entemedor & Sea Leopard188kSea Leopard (SS-483) inboard & the Entemedor (SS-340) in Monaco, April 1957.Courtesy of Chuck Jensen.
Entemedor & Nautilus57kNautilus (SSN-571) inboard & the Entemedor (SS-340) with other unidentified boats at the Connecticut State Pier, New London, CT., circa 1960.Courtesy of Chuck Jensen.
Entemedor67kStarboard quarter view of the Entemedor (SS-340) with her fiber glass sail, circa early 1960's. Those fiberglass sails were installed in Hawaii, and on both coasts of the U. S. over a number of years. The bureau approved two different sail designs under the GUPPY IIA modifications - one for "Portsmouth Boats" and the other for "Electric Boats" - Electric Boat sails had round ports and Portsmouth Boat sails had square ports to view forward (with other leading and trailing edge differences).Photo courtesy of Chuck Jensen. Text courtesy of CTRC Donald J. Wagner, USN (Ret.)
Entemedor26kEntemedor (SS-340), underway, circa early 1960's.Courtesy of George M. Arnold.
Entemedor49kPort bow view of the Entemedor (SS-340) with crew dressed in whites on deck about to embark to take in the view at Malta in 1962. Among the sailors is Terry B. DeBerry. He is below the blue mark, on watch duty that day. Photo by Terry B. DeBerry &n submitted by his daughter, Teresa Ewing. Photo added 09/07/07.
Entemedor72kEntemedor (SS-340), underway, circa mid 1960's.Courtesy of George M. Arnold.
Entemedor73kEntemedor (SS-340), moored, circa mid 1960's.Courtesy of George M. Arnold.
Entemedor78kEntemedor (SS-340), underway in 1968, place unknown.Courtesy of George M. Arnold and Gale B. Brown CWO4 U.S. N. (RET.)

View the Entemedor (SS-340)
DANFS history entry located on the Haze Gray & Underway Web Site.
Crew Contact And Reunion Information
U.S. Navy Memorial Foundation
Fleet Reserve Association

Additional Resources and Web Sites of Interest
Full Fathom Five, U.S. Submarine War Against Japan
Guppy Submarines

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