including a satellite image of what appears to be the U.S. military’s prototype uncrewed submarine. Dubbed the “Manta Ray” because of its shape, the image of an underwater drone at a naval ...

Satellite images reveal an unusual structure, with X-shaped rudders, a sign of a design focused on stealth. These features could enable discreet and prolonged missions. Underwater drones have ...

has launched and recovered an underwater drone for the first time. This week, the USS North Dakota returned to the United States after a nearly two-month deployment to the Mediterranean Sea.

The US defense ... torpedo-like underwater vehicle called Copperhead. Variants of this can autonomously find and engage their target as autonomous underwater kamikaze drones.

Five underwater drones found by Philippine fishermen were ... as Manila prepares for large-scale military exercises with treaty ally the United States this month. The drones were discovered between ...