USS Segundo
Service
- as Segundo9 May 1944 — 1 August 1970481 days of the war
- Name
- USS Segundo
- Builder
- Portsmouth Naval Shipyard, Kittery, Maine
- Laid down
- 14 October 1943
- Launched
- 5 February 1944
- Commissioned
- 9 May 1944
- Decommissioned
- 1 August 1970
- Struck
- 8 August 1970
- Fate
- Sunk as a target, 8 August 1970 (1970)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 1,526 long tons (1,550 t)
- Displacement, submerged
- 2,391 long tons (2,429 t)
- Length
- 94.79 m (311 ft)
- Beam
- 8.23 m (27 ft)
- Draught
- 4.88 m (16 ft)
- Speed
- 20.3 knots (37.5 km/h, 23.3 mph)
- Range
- 11,000 nmi (20,372 km)
- Complement
- 10
- Main gun
- 127 mm (5 in)
USS Segundo was a Balao-class submarine diesel-electric submarine, operated by the United States Navy. Her keel was laid at Portsmouth Naval Shipyard, Kittery, Maine on 14 October 1943. She entered service on 9 May 1944, having been launched on 5 February 1944.
111 ships of the class were built. The class followed the Gato-class submarine and was succeeded by the Tench-class submarine.
The boat displaced 1,526 long tons surfaced and 2,391 long tons submerged. She measured 94.8 m (311 ft) long with a beam of 8.2 m (27 ft). Her designed speed was 20.2 knots, and she carried a complement of 10. Her main battery was of 127 mm (5 in) calibre.
She was in commission for 481 days of the Second World War. She was decommissioned on 1 August 1970. She was struck from the register on 8 August 1970.
She was expended as a target on 8 August 1970. The wreck survives.
Written from the harvested record. Every figure above is sourced; the wording is this site's own.
Armament and machinery
Armament and machinery
- Propulsion
- 4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators
- 2 × 126-cell Sargo batteries
- 4 × high-speed Elliott electric motors with reduction gears
- two propellers
- 5,400 shp (4.0 MW) surfaced
- 2,740 shp (2.0 MW) submerged
- 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
Sister ships
- ARA Santa Fe (S-21)
- USS Apogon
- USS Archerfish (SS-311)
- USS Aspro (SS-309)
- USS Atule
- USS Balao
- USS Bang
- USS Barbel (SS-316)
- USS Barbero
- USS Batfish (SS-310)
- USS Baya
- USS Becuna
- USS Bergall (SS-320)
- USS Besugo
- USS Billfish (SS-286)
- USS Blackfin
- USS Blanquillo (SS-323)
- USS Blenny
- USS Blower
- USS Blueback (SS-326)
- USS Boarfish
- USS Bowfin
- USS Brill
- USS Bugara
Sources
- Facts harvested from USS Segundo on Wikipedia. Figures only — no wording is taken from it.
- Photograph: U.S. Navy — Official U.S. Navy photo USN 1115253 from the U.S. Navy Naval History and Heritage Command — Public domain — Wikimedia Commons