The Turtle Subramine

The Turtle Submarine was the first submersible created in 1775 during the Revolutionary War by colonel solider Ezar Lee and was presented to George Washington but sunk near Fort Lee by British soldiers. 
== Legacy ==
Today the invention of the submersible led to modern day submarines which would be an advancement in Navy and spy technology.https://en.wikipedia.org/wiki/Turtle_(submersible)#Aftermath