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NavSource Online: Submarine Photo Archive
Patch contributed by Mike Smolinski

Diodon (SS-349)

Radio Call Sign: November - Kilo - Foxtrot - Hotel
Balao Class Submarine: Laid down, 1 June 1944, at the Electric Boat Co., Groton, CT.; Launched, 10 September 1945; Commissioned USS Diodon (SS-349), 18 March 1946; Guppy conversion, 1947-48, at Mare Island Naval Shipyard, Vallejo, CA.; Decommissioned and simultaneously struck from the Naval Register, 15 January 1971; Final Disposition, sold for scrapping, 12 May 1972 to Nicolai Joffe, Beverly Hills, CA for $ 106,378.00 & Scrapped in San Pedro, CA.
Partial data submitted by Ron Reeves (of blessed memory)

As built to the 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.

Guppy IIA conversion: 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, 410 ft; Complement 6 Officers, 60 Enlisted; Armament, ten 21" torpedo tubes, six forward, four aft, 24 torpedoes, two .50 cal. machine guns; Patrol Endurance 75 days; Propulsion, diesel-electric reduction gear with three main generator engines., General Motors diesel engines, HP 5400, Fuel Capacity 118,000, four General Electric motors, HP 2,740, four 126-cell main storage batteries, two propellers. Text provided by James R. Santos.
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Diodon851kBlack blotched porcupinefish (Diodon liturosus).Photo courtesy of wikipedia.org.
Diodon 19k Commemorative post mark on the occasion of the keel laying of the Diodon (SS-349), 1 June 1944, at the Electric Boat Co., Groton, CT. Courtesy of Jack Treutle (of blessed memory).
Diodon 640k Sponsor's Party: Mrs. Grace Arnold, left, and Mrs. Daniel Cullinane, Ship's Sponsor & widow of Chief Motor Machinist's Mate Daniel Cullinane, K.I.A with the entire 70 man crew of the Grunion (SS-216) on 30 July 1942. USN photo # 80-G-409577 courtesy of National Museum of the U.S. Navy.
Diodon 520k Mrs. Daniel Cullinane, Ship's Sponsor; Diodon's 1st CO, Lieutenant Commander James M. Hingson and Mrs. James M. Hingson. USN photo # 80-G-409580 courtesy of National Museum of the U.S. Navy.
Diodon 541k Mrs. Daniel Cullinane, christens the Diodon (SS-349) on 10 September 1945. USN photo # 80-G-409584 courtesy of National Museum of the U.S. Navy.
Diodon 214k Diodon (SS-349) slides down the building ways at her launching at the Electric Boat Co., Groton, CT., 10 September 1945. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 17k Commemorative post mark on the occasion of the Diodon's (SS-349) launching, 10 September 1945. Courtesy of Jack Treutle (of blessed memory).
Diodon 124k The National Ensign is raised aboard the Diodon (SS-349) for the first time by P.P. Bocko, CSM and J.E. Vermillion, QM2c in 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 23k Commemorative post mark on the occasion of Diodon's (SS-349) commissioning, 18 March 1946. Courtesy of Jack Treutle (of blessed memory).
Diodon 72k Loading the first torpedo aboard the Diodon (SS-349), 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 681k Diodon (SS-349),underway, probably off the coast of Conn., January - May 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 83k Diodon (SS-349), preparing to dive, probably off the coast of Conn., January - May 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 144k Starboard aft view of the Diodon (SS-349), 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 128k Diodon (SS-349) surfacing, 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 32k Enlisted men and CPO's of the Diodon (SS-349), 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 65k Officers of the Diodon (SS-349), 1946. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 940k Eight page PDF welcome Aboard & History of the Diodon (SS-349). USN photos courtesy of Scott Koen & ussnewyork.com.
348 & 349 325k Cusk (SS-348) & Diodon (SS-349) moored in New London, CT. Photo courtesy of John Hummel, USN (Retired).
Diodon 176k Aft plan view of Diodon (SS-349) at Mare Island on 15 March 1948. She was under conversion at the yard from 1 August 1947 to 18 March 1948. USN photo # 388-3-48, courtesy of Darryl L. Baker.
Diodon 168k Forward plan view of Diodon (SS-349) at Mare Island on 15 March 1948. USN photo # 389-3-48, courtesy of Darryl L. Baker.
Diodon 1.33k Diodon (SS-349) after her GUPPY conversion, circa post 1948. USN photo courtesy of ussubvetsofwwii.org.
SubRonFive 2.48k Note that the last 2 submarines positions are incorrectly labeled in the photo, but are listed correctly here.
SubRonFive picture 30 December 1949 featuring from upper left corner to right: Florikan (ASR-9), Pomodon (SS-486), Volador (SS-490), Catfish (SS-339), Cusk (SS-348), Diodon (SS-349), Carp (SS-338), Carbonero (SS-337), & Nereus (AS-17).		 Text I.D. courtesy of John Spivey.
USN photo courtesy of usscusk.com.
Diodon 169k In May 1948 CDR. Clarence Edwin Bell assumed command of Diodon (SS-349), which, under his command, won the Battle Efficiency Pennant for 1950. Official USN photo courtesy of Bill Gonyo.
Carbonero208kAft plan view looking forward of Carbonero (AGSS-337) at Mare Island on 18 February 1952. She is outboard of Diodon (SS-349) and Segundo (SS-398) is forward. Note Loon launcher on the after deck.
USN photo # 12023-2-52, courtesy of Darryl L. Baker.
Carbonero213kForward plan view looking aft of Carbonero (AGSS-337) at Mare Island on 18 February 1952. She is outboard of Diodon (SS-349) and Guitarro (SS-363), Hardhead (SS-365) and Juneau (CLAA-119) are aft. Note Loon launcher on the after deck.
USN photo # 12024-2-52, courtesy of Darryl L. Baker.
Diodon 62k Port side view at water level of the Diodon (SS-349), on 16 November 1953. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 60k Diodon (SS-349) in dry dock at Hunter's Point,S.F., CA., 1955. Submitted by James R. Santos, courtesy of diodon349.com.
Sabalo 88k The Carp (SS-338) is pictured here in 1956 being painted (reason for hull number not being visible). The Sabalo (SS-302) to left in photo & Diodon (SS-349) is to the right. Courtesy of John Hummel, USN (Retired).
Diodon 712k During her 1956-57 tour of duty in the Far East, Diodon (SS-349) visited Brisbane, Australia, for the celebration commemorating the great victory of the Battle of the Coral Sea in May 1942. She is seen here in October 1957. Text courtesy of DANFS. USN photo courtesy of Scott Koen & ussnewyork.com.
Diodon 86k Starboard side view of the Diodon (SS-349) underway, 1957. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 523k U.S. Navy aircraft carrier Princeton (CVS-37) underway with the destroyer Twining (DD-540) and the submarine Diodon (SS-349). The Princeton was deployed to the Western Pacific from 19 June to 2 December 1958. This was Princeton's last deployment as an aircraft carrier before her conversion to a helicopter carrier. She was redesignated LPH-5 on 2 March 1959. USN photo from the Princeton (CVS-37) 1958 cruise book via Robert Hurst.
Diodon 257k Diodon (SS-349) underneath that steely skin lies the steely skin, in drydock 1959. USN photo courtesy of Scott Koen & ussnewyork.com.
Diodon 160k Stern view of the Diodon (SS-349) with the Ronquil (SS-396) outboard, 1960. Photo by Clem Boulter. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon304kDiodon (SS-349) backing out of a nest in 1961.Photo courtesy of John Hummel, USN (Retired).
Diodon 322k Diodon (SS-349) underway, portside view, circa 1960's. USN photo courtesy of ussubvetsofwwii.org.
Diodon470kDiodon (SS-349) in Canada, circa 26 January 1963 .Photo # AM1506-S3-3-: CVA 447-4242 courtesy of Walter E. Frost via searcharchives.vancouver.ca courtesy of John Hummel, USN (Retired).
Diodon 40k Drydock time for the Diodon (SS-349),in YokosukaYards, Japan, 1963. Photo courtesy of Roy Richards. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 497k Port side view of the Diodon (SS-349) underway in San Diego during the early 60's. The tender to her port side is the Sperry (AS-12). The Cemetery on the hill behind the Diodon is on the grounds of Fort Rosecrans. Text submitted by Jim Haynes, QMC /SS/SW USN, Ret. Photo submitted by James R. Santos, courtesy of diodon349.com.
Diodon 68k Diodon (SS-349) at Hunter Point, San Francisco Naval Ship Yard, 30 August 1965. USN photo.
Diodon 69k Diodon (SS-349) at Yokosuka, Japan, 1967. Note Oxford (AGTR-1) in the background moored forward of Diodon. Photographed & submitted by James R. Santos, courtesy of diodon349.com.
Charr 341k Charr (SS-328) & Diodon (SS-349) at Ballast Point, 1967. Photo by J.D. Decrevel EM2(SS)
Salmon 383k Photo taken 5 July 1967 At Yokosuka…boats are inboard to outboard: Catfish (SS-339), Bashaw (SS-241), Redfish (SS-395), Diodon (SS-349), Salmon (SS-573) and Bream (SS-243). Photo courtesy of John Hummel, USN (Retired).
Diodon 83k Commander Thomas F. Arnold was commissioned in June 1956 upon graduation from Tuft's University. For the next four years he served onboard the destroyers McDermut (DD-677) and Floyd B. Parks (DD-884) in various departmental assignments. After completion of submarine school in fall of 1960, Commander Arnold served in the Submarine Force onboard Tench (SS-417), Entemedor (SS-340), Staff Commander Submarine Squadron 14, and as Executive Officer of Rock (SS-270). Prior to his tour as Commanding Officer of the Cusk (SS-348) and Diodon (SS-349), he attended the United Kingdom Joint Services Staff College in 1968. Information from the Cruise book of the cruiser Albany (CG-10). He was X.O.
Photo courtesy of Bill Gonyo.
Diodon 312k A Grumman S-2D Tracker assigned to Carrier Anti-Submarine Air Group 57 (CVSG-57) aboard the aircraft carrier Hornet (CVS-12) flying over the submarine Diodon (SS-349). Hornet, visible in the right background, was deployed to the Western Pacific from 6 June to 21 December 1962. USN photo from the Hornet (CVS-12) 1962 cruise book, courtesy of Robert Hurst.
Diodon 88k Crew of the Diodon (SS-349) pose for a decommissioning photo, 15 January 1971 at Hunter's Point Naval Shipyard, CA.
OFFICERS:Commander T. F. ARNOLD, Commanding Officer Lieutenant Commander R. F. CHIPCHAK, Executive/Navigation Officer Lieutenant R. A. SCOTT, Communications Officer Lieutenant R. C. WHITEHEAD, Engineering Officer Lieutenant R. A. COOKE, Operations Officer Lieutenant (junior grade) L. L. WALL, Weapons Officer Lieutenant (junior grade) N. F. SNYDER, Supply Officer
CHIEF PETTY OFFICERS: Senior Chief Engineman E. B. ENLUND, Chief of the Boat Senior Chief Electronics Technician T. E. RUNYAN Senior Chief Electrician J. A. ANDREZIK Chief Electrician G. H. KOENIG Chief Torpedoman L. R. DOW, Jr. Chief Hospital Corpsman C. E. FLEMING
Crew: ANDERSON, E. A. CSSA ANDRADE, B. D. FN (SS) ANDREWS, R. B. RM2(SS) BAKER, R. W. TA BAXTER, H. L. FTG1(SS) BIASCAN, A. E. TN (SS) BOSWELL, D. L. TM3(SS) BROWN, D. E. EN3(SS) BURDEN, R. F. MM3(SS) ELAM, L. W. QM2(SS) GETTS, E. C. ENI(SS) GOODWIN, J. L. EM3(SS) GRIGER, J. M. MM2(SS) HAND, J. R. EN2(SS) HELWIG, G. L. IC2(SS) INOSANTO, P. I. SD1(SS) ISLE, W. L. EM2(SS) JOHNS, R. L. TM1(SS) JOHNSON, R. S. YN3(SS) JONES, K. G. EM1(SS) LEVANDER, W. G. TM2(SS) MALONE, C. W. ETN2(SS) McCARTHY, J. W. MM3(SS) NEWTON, D. K. EM3(SS) PALMER, D. E. MM2(SS) PHILLIPS, A. R. QM2(SS) PLAGMANN, R. A. TM3(SS) POAG, J. A. RM2 (SS) ROYALTEY, S. RM3 RUSICH, F. J., Jr. EN3(SS) SALTER, R. A. SKI (SS) SMITH, B. C. RMSN STANLEY, R. A. CS2(SS) STONEY, M. J. TM3(SS) TATE, J. J. EM2(SS) THOMPSON, L. E. ETR2(SS) VICKROY, R. A. IC2(SS) VOELKEL, T. E., Jr. FN(SS) WASMUTH, C. D. EN2(SS) WEBER, W. A. FN(SS) WERNER, T. R. STS3(SS) WHITEHEAD, P. E. TM3(SS) WOOD, T. J. QM3(SS) WORLEY, T. L. FN ZUCHERO, W. J. TM2(SS) 		Photo courtesy of HMC(SS) Chuck Fleming. Submitted by James R. Santos, courtesy of diodon349.com.
Diodon 110k Clipping from Mare Island Naval Shipyard 29, January 1971 edition of the Grapevine showing the decommissioning ceremonies aboard Diodon (SS-349) at the yard. Photo courtesy of Darryl L. Baker.
MINSY430k Seven inactive submarines at Mare Island on 30 April 1971.
Left to right: Cusk (SS-348), Rock (SS-274), Bashaw (SS-241), Spinax (SSR-489), Pomodon (SS-486), Medregal (SS-480), and Diodon (SS-349).
Photo by Ted Stone and negative given to the shipyard in 1995. 		USN photo courtesy of Darryl L. Baker.
View the Diodon (SS-349)
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
Jim's Diodon, Submarine(r), History and HAM Radio Web Site
Guppy Submarines
Ep-21 (1) - Victory At Sea ~ Full Fathom Five - HQ
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