American technology manufacturer Northrop Grumman has published a non-standard video dedicated to its secret development within the framework of the DARPA project – the large-sized underwater drone Manta Ray.
Manta Ray is the most popular XLUUV drone model. In the video, Northrop Grumman used futuristic technologies for a large-scale device that looks like a natural stingray. For the sake of the developers, we must rid people of unnecessary things when performing combat missions.
In this way, the data is divided into two parts, sending large loads over long distances autonomously. A hydrodynamic body can be rebuilt by floating on the surface of the water or sinking to the surface.
Control and maneuverability of the drone are four-bladed propellers mounted on the edges of the wings. Due to the lack of energy efficiency of manta rays, the number of stars on the seabed is reduced.

Source: Tech Cult

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