USS Permit (SS-178)

History

United States
Builder:	Electric Boat Company, Groton, Connecticut
Laid down:	6 June 1935
Launched:	5 October 1936
Commissioned:	17 March 1937
Decommissioned:	15 November 1945
Struck:	26 July 1956
Fate:	Sold for scrap on 28 June 1958
General characteristics
Class and type:	Porpoise-class diesel-electric submarine
Displacement:	1,350 long tons (1,370 t) standard, surfaced, 1,997 long tons (2,029 t) submerged
Length:	298 ft (91 m) (waterline), 300 ft 6 in (91.59 m) (overall)
Beam:	25 ft ⅞ in (7.6 m)
Draft:	15 ft (4.6 m)
Propulsion:	As Built: 4 × Winton Model 16-201A 16-cylinder two-cycle diesel engines, 1,300 hp (0.97 MW) each, driving electrical generators through reduction gears, 2 × 120-cell Gould AMTX33HB batteries, 8 × General Electric electric motors, 538 hp (401 kW) each, 2 General Motors six-cylinder four-cycle 6-241 auxiliary diesels Re-engined: 4 × Winton Model 12-278A
Speed:	19.25 kn (35.65 km/h) surfaced, 8.75 kn (16.21 km/h) submerged
Range:	11,000 nmi (20,000 km) @ 10 kn (19 km/h), (bunkerage 92,801 US gal (351,290 l)
Endurance:	10 hours @ 5 kn (9.3 km/h), 36 hours @ minimum speed submerged
Test depth:	250 ft (76 m)
Complement:	As built: 5 officers, 45 enlisted 1945: 8 officers, 65 enlisted
Armament:	6 × 21 in (533 mm) torpedo tubes (four forward, two aft; 16 torpedoes) (two external bow tubes added 1942), 1 × 4 in (102 mm)/50 cal deck gun, 4 × 0.3" (7.62mm) machineguns (2x2)

USS Permit (SS-178), a Porpoise-class submarine, was the first ship of the United States Navy to be named for the permit.

Her keel was laid on 6 June 1935 by the Electric Boat Company, Groton, Connecticut; launched on 5 October 1936 sponsored by Mrs. Edith B. Bowen, wife of Harold G. Bowen, Chief of the Bureau of Engineering. She was commissioned on 17 March 1937, Lieutenant Charles O. Humphreys in command.

Following shakedown, Permit operated out of Portsmouth, New Hampshire, until 29 November 1937, when she got underway for the Pacific. Transiting the Panama Canal on 10 December, she continued up the West Coast, and arrived at San Diego, California on 18 December to join Submarine Squadron 6 (SubRon 6). For the next 22 months, she cruised the Eastern Pacific, ranging from southern California to the Aleutian Islands and Hawaiian Islands. In October 1939, she got underway for the Philippines to join the Asiatic Fleet.

Permit's first cruises were conducted in Philippine waters during 1940-1941. The two-year period of peace time activity gave the submarine's crew valuable training for later war activity. The ship - commanded by Lieutenant Commander Adrian M. Hurst - conducted her first war patrol off the west coast of Luzon from 11–20 December 1941. From 22–27 December, she made a second patrol in the area. Permit embarked members of Admiral Thomas C. Hart's staff at Mariveles Harbor on 28 December and evacuated them to the Netherlands' Submarine Base, Surabaya, Java, arriving on 6 February 1942. En route, she completed a third war patrol, scouting in waters of the southern Philippines.

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