Northrop Grumman Corporation completed assembly of a full-size uncrewed underwater vehicle (UUV) prototype known as Manta Ray. A new class of UUV, it is an extra-large glider that will operate long-duration, long-range and payload-capable undersea missions without need for on-site human logistics. The Manta Ray can wait on the seabed to intercept nuclear submarines. DARPA’s Read this story
