Benjamin Franklin class submarine
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The Benjamin Franklin class of submarine was an evolutionary development from the James Madison class of fleet ballistic missile submarine. Having quieter machinery and other improvements, they are considered a separate class. 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 1980s, to make room for the Ohio-class ballistic missile submarines within the limits set by SALT II, the missile tubes of Kamehameha and James K. Polk were disabled. Those boats were redesignated special operations attack submarines and given SSN hull classification symbols.
Boats
(Boats marked with * indicate C-4 conversions.)
- (SSBN-640) USS Benjamin Franklin *
- (SSBN-642) USS Simon Bolivar *
- (SSBN/SSN-642) USS Kamehameha
- (SSBN-643) USS George Bancroft *
- (SSBN-644) USS Lewis and Clark
- (SSBN/SSN-645) USS James K. Polk
- (SSBN-654) USS George C. Marshall
- (SSBN-655) USS Henry L. Stimson *
- (SSBN-656) USS George W. Carver
- (SSBN-657) USS Francis Scott Key *
- (SSBN-658) USS Mariano G. Vallejo *
- (SSBN-659) USS Will Rogers
| Benjamin Franklin-class submarine |
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Benjamin Franklin | Simon Bolivar | Kamehameha | George Bancroft | Lewis and Clark | James K. Polk | George C. Marshall | Henry L. Stimson | George W. Carver | Francis Scott Key | Mariano G. Vallejo | Will Rogers |
| List of submarines of the United States Navy List of submarine classes of the United States Navy |