- Benjamin Franklin class submarine
The "Benjamin Franklin" class of
submarinewas an evolutionary development from the "James Madison" class of fleet ballistic missilesubmarine. Having quieter machinery and other improvements, they are considered a separate class. A subset of this class is the re-engineered 640 class starting with the USS George C Marshall (SSBN 654). Together with the "George Washington", the "Ethan Allen",the "Lafayette", and the "James Madison"classes, they comprised the " 41 for Freedom."
The "Franklin" class submarines were built with the Polaris A-3, and later converted to carry the Poseidon C-3. During the late 1970s and early 1980s, select units were further modified to carry Trident-I (C-4) missiles.
In the early 1990s, to make room for the "Ohio"-class ballistic missile submarines within the limits set by
SALT II, the missile tubes of
"James K. Polk"were disabled. Those boats were redesignated special operations attack submarines and given SSN
hull classification symbols. USS "Kamehameha" was decommissioned on 2 April, 2002, the last ship of the entire class to be decommissioned.
(Boats marked with * indicate C-4 conversions.)
* "41 for Freedom" Fleet Ballistic Missile submarines
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