Naval History and Heritage Command

Naval History and Heritage Command

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Topic
  • Boats-Ships--Submarine
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  • Ship History
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  • Cold War
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Location of Archival Materials
  • NHHC

U.S. Nuclear-Powered Ballistic Missile Submarines 

 

41 for Freedom Submarines

 

Length

Beam

Draft

Submerged Displacement

Torpedoes

Missiles

Crew

Speed

George Washington-class

381.6 feet

33.1 feet

28.9 feet

6,700 tons

12

16 Polaris

12 officers

128 enlisted

15 knots surfaced

20 knots submerged

Ethan Allen-class

410.4 feet

33.1 feet

29.9 feet

7,900 tons

12

16 Polaris

12 officers

128 enlisted

15 knots surfaced

20 knots submerged

Lafayette-class

425 feet

33 feet

31.5 feet

8,250 tons

12

16 Polaris or Poseidon

13 officers

130 enlisted

16–20 knots surfaced

22–25 knots submerged

 

James Madison-class

 

425 feet

33 feet

31.5 feet

8,250 tons

12

16 Polaris or Poseidon

13 officers

130 enlisted

16–20 knots surfaced

22–25 knots submerged

 

Benjamin Franklin-class

 

425 feet

33 feet

31.5 feet

8,250 tons

13

16 Polaris or Poseidon

13 officers

130 enlisted

16–20 knots surfaced

22–25 knots submerged

 

* * *

Currently on Patrol

Length

Beam

Draft

Submerged Displacement

Torpedoes

Missiles

Crew

Speed

Ohio-class*

560 feet

42 feet

36.5 feet

18,750 tons

12–13 Mk-48

24 Trident I or Trident II

17 officers

137 enlisted

12 knots surfaced 25 knots submerged

*Ohio (SSGN-729), Michigan (SSGN-727), Florida (SSGN-728), and Georgia (SSGN-729) have been converted into guided missile submarines (SSGNs) and no longer carry ballistic missiles.

* * *

First Patrol Scheduled in 2031

Length

Beam

Draft

Submerged Displacement

Torpedoes

Missiles

Crew

Speed

Columbia-class

560 feet

43 feet

N/A

20,810 tons

N/A

16 Trident II

17 officers

137 enlisted

N/A

 

─Randall Fortson, NHHC Histories and Archives Division, February 2021

_______________________________________________

Federation of American Scientists. Submarine Launched Ballistic Missiles; United States Nuclear Forces Guide. https://fas.org/nuke/guide/usa/slbm.

Friedman, Norman. U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, MD: United States Naval Institute, 1994.

Polmar, Norman. Cold War Submarines: The Design and Construction of U.S. and Soviet Submarines, 1945–2001. Washington, DC: Potomac Books, 2004.

Published: Wed Mar 24 13:15:02 EDT 2021