Ocean Aero’s submaran vessel travels on the water’s surface using its wing-like sail, and beneath the water as a glider. The hull is 14 feet long. Photo courtesy of Ocean Aero

Ocean Aero’s submaran vessel travels on the water’s surface using its wing-like sail, and beneath the water as a glider. The hull is 14 feet long. Photo courtesy of Ocean Aero

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Photo courtesy of Ocean Aero

— The intrepid oceangoing drone called the submaran has more funding...

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