James Madison-class
usn_ssbn_james_madisonSubmarinesUSASSBN
- Length
- 130 m
- Beam
- 10 m
- Displacement
- 8250 t
- Max Speed
- 21 kn
Description
Part of the 41 for Freedom group of Ballistic Missile Submarines the James Madison-class carry up to 16 Polaris, Poseidon or Trident missiles and form part of the US Nuclear Triad. These submarines were designed to be quiet and incorporated the same rafting technology that the Permit and Sturgeon-classes used. They are almost identical to the Lafayette-class.
Unit
- Type
- Submarine
- Role
- SSBN
- In service
- 1964–1995
- Variants
- 10
- Armor
- None
- Task Force cost
- 10,000 pts
- Score value
- 10
Dimensions
- Length
- 130 m
- Beam
- 10 m
- Displacement
- 8,250 t
Performance
- Max speed
- 21 kn
- Max reverse
- 7 kn
- Periscope depth
- 44 ft
- Crush depth
- 1,625 ft
- Max depth change
- 5 m/s
Machinery
- Main power
- Nuclear
- Horsepower
- 15,000 hp
- Propulsion
- 1 shaft
- Rudders
- 1
Signatures
- Visual ID range
- 6 nm
- RCS
- Semi-small
- IR signature
- Semi-small
Service variants
| Variant | In service |
|---|---|
| Variant 1 | 1964–1992 |
| Variant 2 | 1964–1993 |
| Variant 3 | 1964–1994 |
| Variant 4 | 1964–1994 |
| Variant 5 | 1964–1992 |
| Variant 6 | 1964–1994 |
| Variant 7 | 1964–1994 |
| Variant 8 | 1964–1995 |
| Variant 9 | 1964–1989 |
| Variant 10 | 1964–1986 |