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Sturgeon vs Valiant / Churchill

Sturgeon vs Valiant / Churchill at a glance — displacement 3,640 vs 4,500 tons, length 89 vs 87 m, speed 15 vs 20 knots, crew 107 vs 103.

Sturgeon submarine side profile drawing
🇺🇸 Sturgeon
Specifications
Sturgeon Valiant / Churchill
Origin 🇺🇸 United States 🇬🇧 United Kingdom
Category Submarine Submarine
Type Nuclear-powered attack submarine Nuclear-powered attack submarine
Manufacturer General Dynamics Electric Boat Vickers Armstrong
Year introduced 1967 1966
Number built 37 units 2 units
Estimated unit price NA NA
Displacement 3,640 tons 4,500 tons
Maximum speed 15.0 knots 20.0 knots
Range Unlimited Unlimited
Length 89.1 m 87.0 m
Beam 9.7 m 10.1 m
Crew 107 103
Max depth 400 m 300 m
Performance Radar Chart
Armament & Systems
Sturgeon Valiant / Churchill
Armament
  • 4 × 21 inch (533 mm) amidship torpedo tubes
  • Mark 48 and Mk-48 ADCAP torpedoes
  • Harpoon missiles
  • Tomahawk missiles
  • SUBROC anti-submarine missiles
  • Mark 67 Submarine Launched Mobile Mines
  • Mark 60 CAPTOR mines
  • 6 × 21 in (533 mm) bow torpedo tubes
  • 32 × Mark VIII and Tigerfish torpedoes
  • 64 × Mk.5 and Mk.6 mines
  • 26 × torpedoes
  • 6 × UGM-84B Harpoon Anti-ship missiles
  • Stonefish and Sea Urchin mines
Propulsion 1 × S5W pressurized water reactor, 2 × steam turbines, total 15,000 shp (11,000 kW), 1 shaft 1 × Rolls-Royce pressurised water reactor, 2 × steam turbines, 1 shaft
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Frequently Asked Questions

Which has greater displacement, the Sturgeon-class or Valiant / Churchill-class?
The Valiant / Churchill-class has greater displacement at 4,500 tons compared to the Sturgeon-class's 3,640 tons.
Which is faster, the Sturgeon-class or Valiant / Churchill-class?
The Valiant / Churchill-class is faster with a maximum speed of 20 knots compared to the Sturgeon-class's 15 knots.
Which has longer range, the Sturgeon-class or Valiant / Churchill-class?
Both the Sturgeon-class and Valiant / Churchill-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Sturgeon-class or Valiant / Churchill-class?
The Sturgeon-class is longer at 89.1 meters compared to the Valiant / Churchill-class's 87.0 meters.
How many crew members do the Sturgeon-class and Valiant / Churchill-class have?
The Sturgeon-class has a larger crew complement of 107 compared to the Valiant / Churchill-class's 103 crew members.
Which can dive deeper, the Sturgeon-class or Valiant / Churchill-class?
The Sturgeon-class can dive deeper with a maximum depth of 400 meters compared to the Valiant / Churchill-class's 300 meters.
Which has been built in greater numbers, the Sturgeon-class or Valiant / Churchill-class?
The Sturgeon-class has been built in greater numbers with 37 vessels compared to 2 vessels of the Valiant / Churchill-class.