Turtle Submarine Facts
Turtle Submarine Facts . On the night of september 7, 1776, the turtle, operated by an army volunteer, sergeant ezra lee, conducted an attack on the british ship hms eagle. This was the first known submarine used in. Pin on Permanent Collections from www.pinterest.com In 1776 a us inventor named david bushnell built a submarine, named the turtle, that was used in the american revolution. Green turtles can hold their breath underwater for as long as five hours. In 1775, david bushnell pushed the limits of engineering to design a military submarine dubbed the turtle submersible, which he created to help the us fight back against the british royal navy.