Los Angeles vs Valiant / Churchill

Overview

The Los Angeles and the Valiant / Churchill are both Submarine classes.

Displacement is 6,082 tons for the Los Angeles vs 4,500 tons for the Valiant / Churchill. The Los Angeles reaches 15 knots vs 20 knots for the Valiant / Churchill. Operational range is 99,999 nautical miles for the Los Angeles vs 99,999 for the Valiant / Churchill. The Los Angeles carries a crew of 129 vs 103 for the Valiant / Churchill. Submerged displacement is 6,927 tons for the Los Angeles vs 5,000 tons for the Valiant / Churchill. The Los Angeles can dive to 450 m compared to 300 m for the Valiant / Churchill.

The Los Angeles was produced in 62 units vs 2 for the Valiant / Churchill. The Los Angeles was commissioned in 1976, 10 years after the Valiant / Churchill (1966).

Los Angeles

United States nuclear attack submarine, introduced in 1976, displaced 6,082 tons.
Origin 🇺🇸 United States
Category Submarine
Type Nuclear attack submarine
Manufacturer Newport News Shipbuilding
Year introduced 1976
Number built 62 units
Estimated unit price $900 million
View full Los Angeles details

Valiant / Churchill

British nuclear submarine, 4,500 tons displacement, propelled by a Rolls-Royce pressurised water reactor.
Origin 🇬🇧 United Kingdom
Category Submarine
Type Nuclear submarine
Manufacturer Vickers Armstrong
Year introduced 1966
Number built 2 units
Estimated unit price NA
View full Valiant / Churchill details

Los Angeles

Displacement 6,082 tons ◉
Maximum speed 15.0 knots ◉
Range Unlimited ◉
Length 110.0 m ◉
Beam 10.0 m ◉
Crew 129 ◉
Max depth 450 m ◉
Propulsion 1 × S6G nuclear reactor (150–165 MW), 2 × steam turbines (30,000–33,500) shp, 1 × shaft, 1 × secondary propulsion motor 325 hp (242 kW)
Armament
  • 4 × 21 in (533 mm) torpedo tubes
  • 37 × Mk 48 torpedo
  • Tomahawk land attack missile
  • Harpoon anti-ship missile
  • Mk 67 mobile mines
  • Mk 60 CAPTOR mines
  • 12-tube VLS (FLTII and 688i FLTIII)

Valiant / Churchill

Displacement 4,500 tons ◉
Maximum speed 20.0 knots ◉
Range Unlimited ◉
Length 87.0 m ◉
Beam 10.1 m ◉
Crew 103 ◉
Max depth 300 m ◉
Propulsion 1 × Rolls-Royce pressurised water reactor, 2 × steam turbines, 1 shaft
Armament
  • 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

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Los Angeles-class or Valiant / Churchill-class?
The Los Angeles-class has greater displacement at 6,082 tons compared to the Valiant / Churchill-class's 4,500 tons.
Which is faster, the Los Angeles-class or Valiant / Churchill-class?
The Valiant / Churchill-class is faster with a maximum speed of 20 knots compared to the Los Angeles-class's 15 knots.
Which has longer range, the Los Angeles-class or Valiant / Churchill-class?
Both the Los Angeles-class and Valiant / Churchill-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Los Angeles-class or Valiant / Churchill-class?
The Los Angeles-class is longer at 110.0 meters compared to the Valiant / Churchill-class's 87.0 meters.
How many crew members do the Los Angeles-class and Valiant / Churchill-class have?
The Los Angeles-class has a larger crew complement of 129 compared to the Valiant / Churchill-class's 103 crew members.
Which can dive deeper, the Los Angeles-class or Valiant / Churchill-class?
The Los Angeles-class can dive deeper with a maximum depth of 450 meters compared to the Valiant / Churchill-class's 300 meters.
Which has been built in greater numbers, the Los Angeles-class or Valiant / Churchill-class?
The Los Angeles-class has been built in greater numbers with 62 vessels compared to 2 vessels of the Valiant / Churchill-class.

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