Recognition Guide Warships of the Second World War
United States Navy — Submarine SS-204

USS Mackerel (SS-204)

Mackerel-class submarine

USS Mackerel (SS-204)
Unknown author or not provided — U.S. National Archives and Records Administration — Public domain — Wikimedia Commons Plate — SS-204

Service

  1. United States Navy as Mackerel31 March 1941 — 9 November 19451,619 days of the war
Mackerel-class submarine Particulars
Name
USS Mackerel
Pennant / hull number
SS-204
Namesake
Mackerel
Builder
Electric Boat Company, Groton, Connecticut
Laid down
6 October 1939
Launched
28 September 1940
Commissioned
31 March 1941
Decommissioned
9 November 1945
Struck
28 November 1945
Fate
Sold for scrap, 24 April 1947 (1947)
Status
Scrapped

Specifications

Displacement, surfaced
825 long tons (838 t)
Displacement, submerged
1,190 long tons (1,209 t)
Length
74.07 m (243 ft)
Beam
6.71 m (22 ft)
Draught
3.96 m (13 ft)
Speed
16 knots (29.6 km/h, 18.4 mph)
Range
6,500 nmi (12,038 km)
Complement
37
Main gun
76 mm (3 in)

USS Mackerel was a Mackerel-class submarine, operated by the United States Navy. She carried the pennant number SS-204. She was named for Mackerel. Electric Boat Company, Groton, Connecticut laid her keel on 6 October 1939. Launched on 28 September 1940, she entered service on 31 March 1941.

Two ships of the class were built. The class followed the Tambor-class submarine and was succeeded by the Gato-class submarine.

The boat displaced 825 long tons surfaced and 1,190 long tons submerged. She measured 74.1 m (243 ft) long with a beam of 6.7 m (22 ft). Her designed speed was 16 knots, and she carried a complement of 37. Her main battery was of 76 mm (3.0 in) calibre.

She was in commission for 1,619 days of the Second World War. She was decommissioned on 9 November 1945. She was struck from the register on 28 November 1945.

She was broken up for scrap on 24 April 1947.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Armament and machinery
Propulsion
  • 2 × Electric Boat direct drive diesel engines
  • 2 × 60-cell Sargo batteries
  • 2 × Electro Dynamic electric motors
  • 2 shafts
  • 1680 bhp surfaced
  • 1500 bhp submerged
Armament
  • 6 × 21 in torpedo tubes
  • (four forward, two aft)
  • 12 torpedoes
  • 1 × 3 inch (76 mm)/50 caliber deck gun

Sister ships

Sources

  • Facts harvested from USS Mackerel (SS-204) on Wikipedia. Figures only — no wording is taken from it.
  • Photograph: Unknown author or not provided — U.S. National Archives and Records Administration — Public domain — Wikimedia Commons