The Submarines of the Future Will Be Robotic (opens in new tab)

> Mr Putin said the high-speed underwater drone also had an "intercontinental" range and was capable of carrying a nuclear warhead that could target both aircraft carriers and coastal facilities.

"With advances in communications and artificial intelligence, it’s not at all impossible to imagine scenarios in which SSN motherships deploy a lethal force of killer torpedoes, capable of remaining on station for days — or longer — while waiting for a victim."