The Stealthy Sailboat-Submarine Drone the U.S. Navy Is Using Near Iran

As the U.S. races to counter adversaries like Iran and China with drones, Ocean Aero is ramping up production of the Triton, an autonomous sailboat-turned-submarine that can carry weapons and other payloads. WSJ’s Shelby Holliday got a closer look. Photo illustration: Jamie Leventhal