Drones like the Manta Ray can function like a torpedo, mine, or small submarine. AdvertisementA US military submarine that looks like a giant metal manta ray and is currently under development passed its first major test at sea. Related storiesOne photograph of the Manta Ray shows it sitting adjacent to a support boat, and another shows it with people standing on top of it. AdvertisementDARPA program manager Dr. Kyle Woerner (right) talks with a member of the Northrop Grumman team while standing atop the Manta Ray vehicle. AdvertisementUS Navy Sailors launch an unmanned underwater vehicle (UUV) from an 11-meter rigid hull inflatable boat.

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Persons: Manta Ray, —, Northrop Grumman, Ray, Kyle Woerner, Dr, Woerner, John Paul Kotara II, UUVs Organizations: Drones, Service, Defense, Research Projects Agency, DARPA, Manta, Northrop, Northrop Grumman, Research, Agency, US Navy, Navy, Navy Sailors, Force Locations: Southern California, Iran, Yemen, Ukraine, Kyiv, Moscow