USS George Bancroft (SSBN-643)
BENJAMIN FRANKLIN-CLASS SUBMARINE
USS George Bancroft; SSBN-643
USS George Bancroft (SSBN-643), a (or "640-class") fleet ballistic missile submarine, was the fourth ship of the United States Navy to be named in honor of George Bancroft (1800-1891), United States Secretary of the Navy (1845–1846) and the founder of the United States Naval Academy.