DARPA’s Manta Ray prototype uncrewed underwater vehicle (#UUV) built by performer Northrop Grumman completed full-scale, in-water testing off the coast of Southern California in February and March 2024. The program exhibits modular, first-of-kind capability for an extra-large UUV.

Testing demonstrated at-sea hydrodynamic performance, including submerged operations using all the vehicle’s modes of propulsion and steering: buoyancy, propellers, and control surfaces.

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