4 × high-speed Elliott electric motors with reduction gears[4]
two propellers [4]
5,400 shp (4.0 MW) surfaced[4]
2,740 shp (2.0 MW) submerged[4]
Speed
20.25 knots (38 km/h) surfaced[3]
8.75 knots (16 km/h) submerged[3]
Range
11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)[3]
Endurance
48 hours at 2 knots (3.7 km/h) submerged[3]
75 days on patrol
Test depth
400 ft (120 m)[3]
Complement
10 officers, 70–71 enlisted[3]
Armament
10 × 21-inch (533 mm) torpedo tubes
6 forward, 4 aft
24 torpedoes[6]
1 × 5-inch (127 mm) / 25 caliber deck gun[6]
Bofors 40 mm and Oerlikon 20 mm cannon
General characteristics (Guppy IIA)
Class and type
none
Displacement
1,848 tons (1,878 t) surfaced[7]
2,440 tons (2,479 t) submerged[7]
Length
307 ft (93.6 m)[8]
Beam
27 ft 4 in (8.3 m)[8]
Draft
17 ft (5.2 m)[8]
Propulsion
Snorkel added[7]
One diesel engine and generator removed[7]
Batteries upgraded to Sargo II[7]
Speed
Surfaced:
17.0 knots (19.6 mph; 31.5 km/h) maximum
13.5 knots (15.5 mph; 25.0 km/h) cruising
Submerged:
14.1 knots (16.2 mph; 26.1 km/h) for ½ hour
8.0 knots (9.2 mph; 14.8 km/h) snorkeling
3.0 knots (3.5 mph; 5.6 km/h) cruising[7]
Armament
10 × 21 inch (533 mm) torpedo tubes
(six forward, four aft)[8]
all guns removed[7]
USS Pomfret (SS-391), a Balao-class submarine, was a ship of the United States Navy named for the pomfret, a fish of the seabream family which is a powerful and speedy swimmer, capable of operating at great depths.
^ abcdefghFriedman, Norman (1995). U.S. Submarines Through 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 285–304. ISBN 1-55750-263-3.
^ abcdefgBauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775-1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–280. ISBN 0-313-26202-0.
^ abcdefU.S. Submarines Through 1945 pp. 305-311
^ abcdeBauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–280. ISBN 978-0-313-26202-9.
^U.S. Submarines Through 1945 pp. 261–263
^ abcU.S. Submarines Through 1945 pp. 305–311
^ abcdefgFriedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 11–43. ISBN 1-55750-260-9.
USSPomfret (SS-391), a Balao-class submarine, was a ship of the United States Navy named for the pomfret, a fish of the seabream family which is a powerful...
submarine duty and served aboard USSPomfret. He was promoted to lieutenant junior grade in 1949, and his service aboard Pomfret included a simulated war patrol...
Retrieved 20 March 2021. "09/12/1971 – Submarine PNS Hangor Sinks INS Khukri". Retrieved 18 December 2017. "USS Wasp (Wasp-class)". World War II Database....
history of submarine construction. Sterlet and USSPomfret (SS-391) were christened in the building basin and USS Piranha (SS-389) was christened and launched...
2015. "Imperial Cruisers". Combinedfleet.com. Retrieved 12 April 2023. "USS PT-320 of the US Navy". Uboat. 6 November 2013. Gray, Randal, ed., Conway′s...
Maryland The Robert D. Stethem Educational Center, a vocational school in Pomfret, Maryland Robert D. Stethem Barracks, Training Support Center Hampton Roads...
Combinedfleet.com. Retrieved 25 October 2013. Morelle, Rebecca (3 April 2021). "USS Johnston: Sub dives to deepest-known shipwreck". BBC News. Retrieved 4 April...
the leader of a five-ship wolfpack. Piper was joined in the wolfpack by Pomfret (SS-391), Bowfin (SS-287), Trepang (SS-412), and Sterlet (SS-392), known...
OR USS Bowfin (SS-287) - USS Bowfin Submarine Museum & Park, Pearl Harbor, HI USS Cavalla (SSK-244) - Galveston Naval Museum, Galveston, TX USS Cobia...
USS Taussig (DD-746) was an American Allen M. Sumner-class destroyer. It was named for Edward D. Taussig, a rear admiral of the United States Navy whose...
celebration of the event, Putnam was carried in a torch-lit procession through Pomfret in a celebration that lasted until about midnight. He earned the nicknames...
Archived from the original on April 10, 2019. Retrieved July 30, 2015. Pomfret, John (April 2, 2006). "Cardinal Puts Church in Fight for Immigration Rights"...