SS-349 General Specifications
Class: Balao class submarine
Complement: 10 Officers and 70 Enlisted
Displacement: 1870 tons
Length: 307 feet
Beam: 27 feet 4 inches
Draft: 17 feet
Range: 15 000 Nautical Miles
Final Disposition: Sold for scrap 12 May 1972
USS DIODON (SS-349)
Diodon (SS-349) was launched 10 September 1945 by Electric Boat Co.
Conn.; sponsored by Mrs. D. Cullinane; and commissioned 18 March 1946
Lieutenant Commander J. M. Hingson in command. Diodon arrived at San Diego
Calif. 5 July 1946, and during the next 4 years joined in training operations along the west coast.
in Alaskan waters, and in the Hawaiian Islands as well as training members of the Naval Reserve.
She was extensively modernized at Mare Island Naval Shipyard between August 1947 and March 1948.
On 14 September 1950 Diodon sailed for the Far East
rescuing six aviators off Guam during her passage. She trained frigates of the Republic of
Korea in antisubmarine warfare in Sagami Wan
Japan and from 30 October to 28 November made a simulated war patrol. She passed undetected through
Tsugaru Strait to Otaru, Hokkaido
then continued her patrol undetected as she observed and photographed shipping in La Perouse Strait.
She returned to the west coast for overhaul from February to May 1951.
Resuming her west coast operations
Diodon aided in the training of Canadian naval air and surface forces out of Esquimalt
from October to December 1952. She returned to the Far East from March to September 1954
again conducting a surveillance patrol in La Perouse Straits from 24 May to 22 June. During her
west coast training operations in the next 2 years
Diodon again operated with the Canadian Navy
and in March 1956 admitted visitors by means of a submarine escape bell while 130 feet below
the surface during rescue drills.
During her 1956-57 tour of duty in the Far East
Diodon visited Brisbane
for the celebration commemorating the great victory of the Battle of the
Coral Sea in May 1942. She served again in the Far East in 1958-59 and 1960.
[Note: The above USS DIODON (SS-349) history may or may not contain text provided by crew members of the USS DIODON (SS-349) or by other non-crew members and text from the Dictionary of American Naval Fighting Ships]