USS Sea Robin

	Sea Robin (SS-407) during shakedown training off Portsmouth, N.H., 4 September 1944.
History
United States
Name	USS Sea Robin
Builder	Portsmouth Naval Shipyard, Kittery, Maine
Laid down	1 March 1944
Launched	25 May 1944
Commissioned	7 August 1944
Decommissioned	1 October 1970
Stricken	1 October 1970
Fate	Sold for scrap, 3 June 1971
General characteristics (As completed)
Class and type	Balao-class diesel-electric submarine
Displacement	1,526 long tons (1,550 t) surfaced; 2,401 long tons (2,440 t) submerged;
Length	311 ft 8 in (95.00 m)
Beam	27 ft 3 in (8.31 m)
Draft	16 ft 10 in (5.13 m) maximum
Propulsion	4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators; 2 × 126-cell Sargo batteries; 2 × low-speed direct-drive Elliott electric motors; two propellers ; 5,400 shp (4.0 MW) surfaced; 2,740 shp (2.0 MW) submerged;
Speed	20.25 knots (38 km/h) surfaced; 8.75 knots (16 km/h) submerged;
Range	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)
Endurance	48 hours at 2 knots (3.7 km/h) submerged; 75 days on patrol;
Test depth	400 ft (120 m)
Complement	10 officers, 70–71 enlisted
Armament	10 × 21-inch (533 mm) torpedo tubes; 6 forward, 4 aft; 24 torpedoes; 1 × 5-inch (127 mm) / 25 caliber deck gun; Bofors 40 mm and Oerlikon 20 mm cannon;
General characteristics (Guppy IA)
Class and type	none
Displacement	1,830 tons (1,859 t) surfaced; 2,440 long tons (2,480 t) submerged;
Length	307 ft 7 in (93.75 m)
Beam	27 ft 4 in (8.33 m)
Draft	17 ft (5.2 m)
Propulsion	Snorkel added; Batteries upgraded to Sargo II;
Speed	Surfaced:; 17.3 knots (32.0 km/h) maximum; 12.5 knots (23.2 km/h) cruising; Submerged:; 15.0 knots (27.8 km/h) for ½ hour; 7.5 knots (13.9 km/h) snorkeling; 3.0 knots (5.6 km/h) cruising;
Range	17,000 nautical miles (31,000 km) surfaced at 11 knots (20 km/h)
Endurance	36 hours at 3 knots (6 km/h) submerged
Complement	10 officers; 5 petty officers; 64–69 enlisted men;
Armament	10 × 21 inch (533 mm) torpedo tubes; (six forward, four aft); all guns removed;

USS Sea Robin (SS-407), a Balao-class submarine, was a vessel of the United States Navy named for the sea robin. This is a spiny-finned fish with red or brown coloring on its body and fins. The first three rays of its pectoral fin separate from the others and are used in walking on the sea bottom.

^ ^a ^b ^c ^d ^e ^f ^g Friedman, 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.
^ ^a ^b ^c ^d ^e ^f Bauer, 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.
^ ^a ^b ^c ^d ^e Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–282. ISBN 978-0-313-26202-9.
^ U.S. Submarines Through 1945 pp. 261–263
^ ^a ^b ^c U.S. Submarines Through 1945 pp. 305–311
^ ^a ^b ^c ^d ^e ^f U.S. Submarines Through 1945 pp. 305-311
^ ^a ^b ^c ^d ^e ^f Friedman, 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.
^ ^a ^b ^c ^d ^e ^f U.S. Submarines Since 1945 pp. 242

[FriedmanSubs1-dates-1] ^ ^a ^b ^c ^d ^e ^f ^g Friedman, 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.

[Register-2] ^ ^a ^b ^c ^d ^e ^f Bauer, 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.

[Register_275–282-3] Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–282. ISBN 978-0-313-26202-9.

[FriedmanSubs1-engines_261–263-4] U.S. Submarines Through 1945 pp. 261–263

[FriedmanSubs1-specs_305–311-5] U.S. Submarines Through 1945 pp. 305–311

[FriedmanSubs1-specs-6] ^ ^a ^b ^c ^d ^e ^f U.S. Submarines Through 1945 pp. 305-311

[FriedmanSubs2-chap2-7] ^ ^a ^b ^c ^d ^e ^f Friedman, 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.

[FriedmanSubs2-specs-8] ^ ^a ^b ^c ^d ^e ^f U.S. Submarines Since 1945 pp. 242

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History
Sea Robin (SS-407) during shakedown training off Portsmouth, N.H., 4 September 1944.
United States
Name	USS Sea Robin
Builder	Portsmouth Naval Shipyard, Kittery, Maine^[1]
Laid down	1 March 1944^[1]
Launched	25 May 1944^[1]
Commissioned	7 August 1944^[1]
Decommissioned	1 October 1970^[1]
Stricken	1 October 1970^[1]
Fate	Sold for scrap, 3 June 1971^[1]
General characteristics (As completed)
Class and type	Balao-class diesel-electric submarine^[2]
Displacement	1,526 long tons (1,550 t) surfaced^[2] 2,401 long tons (2,440 t) submerged^[2]
Length	311 ft 8 in (95.00 m)^[2]
Beam	27 ft 3 in (8.31 m)^[2]
Draft	16 ft 10 in (5.13 m) maximum^[2]
Propulsion	4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators^[3]^[4] 2 × 126-cell Sargo batteries^[5] 2 × low-speed direct-drive Elliott electric motors^[3] two propellers ^[3] 5,400 shp (4.0 MW) surfaced^[3] 2,740 shp (2.0 MW) submerged^[3]
Speed	20.25 knots (38 km/h) surfaced^[6] 8.75 knots (16 km/h) submerged^[6]
Range	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)^[6]
Endurance	48 hours at 2 knots (3.7 km/h) submerged^[6] 75 days on patrol
Test depth	400 ft (120 m)^[6]
Complement	10 officers, 70–71 enlisted^[6]
Armament	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes^[5] 1 × 5-inch (127 mm) / 25 caliber deck gun^[5] Bofors 40 mm and Oerlikon 20 mm cannon
General characteristics (Guppy IA)
Class and type	none
Displacement	1,830 tons (1,859 t) surfaced^[7] 2,440 long tons (2,480 t) submerged^[7]
Length	307 ft 7 in (93.75 m)^[8]
Beam	27 ft 4 in (8.33 m)^[8]
Draft	17 ft (5.2 m)^[8]
Propulsion	Snorkel added^[7] Batteries upgraded to Sargo II^[7]
Speed	Surfaced: 17.3 knots (32.0 km/h) maximum 12.5 knots (23.2 km/h) cruising Submerged: 15.0 knots (27.8 km/h) for ½ hour 7.5 knots (13.9 km/h) snorkeling 3.0 knots (5.6 km/h) cruising^[7]
Range	17,000 nautical miles (31,000 km) surfaced at 11 knots (20 km/h)^[8]
Endurance	36 hours at 3 knots (6 km/h) submerged^[8]
Complement	10 officers 5 petty officers 64–69 enlisted men
Armament	10 × 21 inch (533 mm) torpedo tubes (six forward, four aft)^[8] all guns removed^[7]