For long-term missions, the US military tests the giant submarine drone “Manta Ray”

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Presented to the public only a few weeks ago, the American defense company Northrop Grumman and the military research facility DARPA launched for the first time a futuristic underwater drone called “Manta Ray” into the water. The tests in California were successful – and allow a first, closer look at the structure of the drone.

When it was unveiled, Norhtrop Grumman described the Manta drone as an oversized unmanned underwater vehicle – although engineers would not reveal how big it really is. With the Manta Ray’s first tests off the coast of Southern California, the drone is now starting to take shape – a 50-foot wingspan seems quite realistic based on an image with a small speedboat next to it for size comparison. But its enormous size isn’t the only special feature of the Manta drone: it’s also said to have a virtually unlimited runtime by recharging itself underwater. How it works? Krone+ explains the idea behind it.

Source: Krone

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