The United States Navy is quietly fielding a new kind of undersea vehicle that is less a traditional submarine and more a roaming, robotic weapons truck. Instead of relying on large crews and long ...

The U.S. Navy is expected to give General Atomics flight clearance for anti-submarine warfare operations using the MQ-9B ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

The US Navy has taken delivery of a new 8,000-ton attack submarine built to slip quietly into contested waters and support elite special operations forces far from shore. The boat’s combination of low ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

Forbes contributors publish independent expert analyses and insights. David Kirichenko is a journalist focusing on war and technology. UNSPECIFIED, UKRAINE - OCTOBER 17: An SBU operative controls a ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack ...