Think of it as a Google Self-driving car, but that's 130-feet long and built for hunting submarines.
And it got one step closer to real operations this week.
The Sea Hunter was christened Thursday, and the capabilities are incredible: It's designed to operate at sea for months at a time, travel thousands of miles, all while follow navigation rules and avoiding collisions.
The Defense Advanced Research Projects Agency and the Office of Naval Research are getting ready to take their new toy for a spin in the open ocean.
The 130 foot trimaran is designed with a ton of advanced features that the Navy envisions it can use for hunting subs and mines, but could just as easily be used for surveillance.