Full-size mockup of Bushnell "Turtle," a one-man submarine and the world's first military submarine used in action, on display at the U.S. Navy Submarine Force Museum and Library in Groton, Conn.
December 26, 2021
Full-size mockup of Bushnell "Turtle," a one-man submarine and the world's first military submarine used in action, on display at the U.S. Navy Submarine Force Museum and Library in Groton, Conn.
December 26, 2021