The U.S. defense community has developed a healthy obsession with innovation. AI, modeling and simulation, machine learning — these are the buzzwords driving conversations about the future of warfare.

During the 2005 U.S. Navy war games in the Pacific, a diesel-electric attack submarine called the HSwMS Gotland equipped with a revolutionary AIP system repeatedly “sank” the USS Ronald Reagan, one of ...

Russian leaders hope to cut Ukraine off from access to the sea—an objective that may have led Moscow to design its newest naval drone. Last week, the Russian Navy showed off its capabilities in a big ...