DARPA reveals 'extra large' Manta Ray underwater drone
The United States' Defense Advanced Research Projects Agency revealed the prototype for their new underwater drone called the Manta Ray. The uncrewed underwater vehicle known as a UUV acts as an underwater drone capable of long excursions and delivering a payload, which could include torpedoes or ballistic missiles.
United States Kyle Woerner Department Of Defense United State Defense Advanced Research Projects Agency Northrop Grumman Pearl Harbor Naval Shipyard
Source: theblaze.com