Lockheed Martin may turn the Saildrone Surveyor into a battleship, equipping it with defense technology for "lethal military applications."

Is something big being planned in the Arabian Sea? A U.S. aircraft carrier… an Iranian drone shot down… and a Chinese ‘research ship’ quietly watching from nearby waters. Coincidence—or pieces of a much larger puzzle?

The U.S. Navy launched a one-way attack drone this week from a littoral combat ship, marking the first time a suicide drone was deployed from a U.S. vessel at sea. A Low-cost Unmanned Combat Attack System drone, known as a LUCAS drone, was launched from ...