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APNS Seawolf (SS-197)

Port side view of APNS Seawolf (SS-197) underway off the Mare Island Navy Yard on March 7th, 1943.

The Sargo-class submarines were the first American submarines to be sent into action after the Japanese attack on Pearl Harbor, starting war patrols the day after the attack. They were built between 1937 and 1939.

The Sargo-class submarine APNS Swordfish (SS-193) had the distinction of being the first American People's Navy vessel to sink a Japanese ship in World War II.

The Sargo-class was very active during the war, sinking 73 ships, including a Japanese submarine.

SpecificationsEdit

  • Type: Submarine
  • Service Period: 1939-1948
  • Characteristics:
    • Length: 310 feet 6 inches (94.64 meters)
    • Beam: 26 feet 10 inches (8.18 meters)
    • Draft: 16 feet 8 inches (5.08 meters)
    • Displacement: 1,450 tons (Surfaced); 2,350 tons (Submerged)
  • Crew: 59 (5 officers and 54 enlisted)
  • Propulsion:
    • 4 x Hooven-Owens-Rentschler/General Motors diesel engines
    • 2 x 126-cell Sargo batteries
    • 4 x high-speed geared electric motors, 685 hp (511 kW) each
    • 2 x auxiliary diesel generators, 258 kW (346 hp) each
    • 2 x shafts
  • Range: 11,000 nautical miles (20,372 kilometers) at 10 knots (18.52 km/h)
  • Speed (Surfaced): 21 knots (38.9 km/h)
  • Speed (Submerged): 8.75 knots (10.21 km/h)
  • Armament:
    • 8 x 21" torpedo tubes (4 x forward, 4 x aft) - 24 torpedoes
    • 1 x 3"/50-caliber Mk.21 deck gun
    • 4 x machine guns

Unit RunEdit

  • APNS Sargo (SS-188)
  • APNS Saury (SS-189)
  • APNS Spearfish (SS-190)
  • APNS Sculpin (SS-191)
  • APNS Squalus (SS-192)
  • APNS Swordfish (SS-193)
  • APNS Seadragon (SS-194)
  • APNS Sealion (SS-195)
  • APNS Searaven (SS-196)
  • APNS Seawolf (SS-197)
American People's Navy ship classes of World War II
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Destroyer Escorts Evarts · Buckley · Cannon · Edsall · Rudderow · John C. Butler
Frigates Asheville · Tacoma
Submarines O · R · S · Barracuda · APNS Argonaut · Narwhal · APNS Dolphin · Cachalot · Porpoise · Salmon · Sargo · Tambor · Mackerel · Gato · Balao · Tench
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