The US Navy’s first submarine was a hand-cranked wooden egg
In the United States, a notable milestone in naval history began with a simple yet innovative vessel. A wooden submarine, powered by hand, was the first of its kind. This early model was part of a broader period of experimentation during the American Revolution.
The nation's history is marked by such instances of ingenuity and perseverance. Over time, this initial concept evolved significantly, leading to advanced underwater machines. Further details about this development and its significance are available from sources that chronicle the history of the US Navy and its technological advancements.