Ethan Allen-class submarine

USS Ethan Allen
Class overview
NameEthan Allen class
Builders
Operators United States Navy
Preceded byGeorge Washington class
Succeeded byLafayette class
Built1959–1963
In commission1961–1992[1]
Completed5[1]
Retired5[1]
General characteristics
TypeBallistic missile submarine
DisplacementSurfaced: 6,946 long tons (7,057 t) Submerged: 7,884 long tons (8,011 t)[2]
Length410 ft 4 in (125.07 m)
Beam33.1 ft (10.1 m)
Draft29 ft 10 in (9.09 m)
Propulsion
Speed
  • 16 knots (30 km/h) surfaced
  • 22 knots (41 km/h) submerged[2]
Test depth1,300 ft (400 m)[2]
Complement12 officers and 128 enlisted (two crews, "Blue" and "Gold")
Armament16 Polaris A2/A3 missiles, 4 × 21-inch (533 mm) torpedo tubes, 12 torpedoes[2]

The Ethan Allen class of fleet ballistic missile submarine was an evolutionary development from the George Washington class. The Ethan Allen, together with the George Washington, Lafayette, James Madison, and Benjamin Franklin classes comprised the "41 for Freedom" that were the Navy's main contribution to the nuclear deterrent force through the late 1980s.

  1. ^ a b c d e f ""SSBN-608 Ethan Allen-Class FBM Submarines" from the FAS". Archived from the original on 13 March 2014. Retrieved 25 November 2015.
  2. ^ a b c d e Friedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 199–200, 244. ISBN 1-55750-260-9.