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James Madison vs Lafayette

James Madison vs Lafayette at a glance — displacement 7,443 vs 7,443 tons, length 130 vs 130 m, speed 16 vs 16 knots, crew 140 vs 140.

James Madison submarine side profile drawing
🇺🇸 James Madison
Specifications
James Madison Lafayette
Origin 🇺🇸 United States 🇺🇸 United States
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat General Dynamics Electric Boat
Year introduced 1964 1963
Number built 10 units 9 units
Estimated unit price NA NA
Displacement 7,443 tons 7,443 tons
Maximum speed 16.0 knots 16.0 knots
Range Unlimited Unlimited
Length 130.0 m 130.0 m
Beam 10.0 m 10.0 m
Crew 140 140
Max depth 400 m 400 m
Performance Radar Chart
Armament & Systems
James Madison Lafayette
Armament
  • 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
  • 16 Polaris A2/A3 or Poseidon C3 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
Propulsion 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft
Change comparison vs

Frequently Asked Questions

Which has greater displacement, the James Madison-class or Lafayette-class?
The Lafayette-class has greater displacement at 7,443 tons compared to the James Madison-class's 7,443 tons.
Which is faster, the James Madison-class or Lafayette-class?
The Lafayette-class is faster with a maximum speed of 16 knots compared to the James Madison-class's 16 knots.
Which has longer range, the James Madison-class or Lafayette-class?
Both the James Madison-class and Lafayette-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the James Madison-class or Lafayette-class?
The Lafayette-class is longer at 130.0 meters compared to the James Madison-class's 130.0 meters.
How many crew members do the James Madison-class and Lafayette-class have?
The Lafayette-class has a larger crew complement of 140 compared to the James Madison-class's 140 crew members.
Which can dive deeper, the James Madison-class or Lafayette-class?
The Lafayette-class can dive deeper with a maximum depth of 400 meters compared to the James Madison-class's 400 meters.
Which has been built in greater numbers, the James Madison-class or Lafayette-class?
The James Madison-class has been built in greater numbers with 10 vessels compared to 9 vessels of the Lafayette-class.