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USS Ulysses S. Grant (SSBN-631)
U.S. Navy
USS Ulysses S. Grant (SSBN-631) was a Benjamin Franklin-class fleet ballistic missile submarine commissioned by the United States Navy in 1964. Named after the 18th President of the United States and Civil War general, the submarine was part of America’s strategic nuclear deterrent during the Cold War, conducting numerous deterrent patrols armed with Polaris and later Poseidon ballistic missiles. Over its three decades of service, the USS Ulysses S. Grant played a vital role in maintaining the balance of power and ensuring national security. The submarine was decommissioned in 1992 following the end of the Cold War and advances in submarine technology.