An official who worked on the project noted that the ship represents something of a shift in philosophy for the U.S. Navy.
UNIAN: Media report largest unmanned vessel is a perfect weapon to kill Russian submarines
The Russian submarine Dmitry Donskoy (NATO - Typhoon class), the world's largest in active service, arrives at Kronstadt Navy base, outside Saint Petersburg, on July 26, 2017 to take part in the Naval Military Parade.
