James Madison-class submarine

C27409

concept

The James Madison-class submarine was a series of U.S. Navy nuclear-powered ballistic missile submarines built in the 1960s as part of the Cold War strategic deterrent force, designed to carry Polaris and later Poseidon submarine-launched ballistic missiles.

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All labels observed (2)

Label	Occurrences
James Madison-class ballistic missile submarine	1
James Madison-class submarine canonical	1

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction

generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"

Input

Class: James Madison-class submarine

Generated description

The James Madison-class submarine was a series of U.S. Navy nuclear-powered ballistic missile submarines built in the 1960s as part of the Cold War strategic deterrent force, designed to carry Polaris and later Poseidon submarine-launched ballistic missiles.

Instances (2)

Instance	Via concept surface
United States Navy submarine USS Brien McMahon (SSBN-642) named in his honor surface form: USS Brien McMahon (SSBN-642)	—
SSBN-642 surface form: USS Brien McMahon	James Madison-class ballistic missile submarine