Flying drone submarines could be coming to a military near you. Non-military applications for this development are enticing as well.

from http://www.militaryaerospace.com/articles/pt/2017/07/next-generation-drones-will-fly-and-dive-into-the-sea-like-pelicans.html

Forget flying cars – flying submarines are about to make a splash. The U.S. Navy is developing a souped-up version of underwater drones that will boast the ability to get airborne. New Scientist reports. Continue reading original article
The Military & Aerospace Electronics take:

11 July 2017 — The drones are known as sea gliders because they vary their buoyancy to glide through the water for great distances on little power. In 2009, one crossed the Atlantic without recharging. But they are also slow — a drawback that flight could help with.

It’s not implausible that a single drone could be made to glide efficiently through both air and sea. “An underwater glider and airplane are very similar in configuration,” says Dan Edwards at the Naval Research Laboratory in Washington.

Underwater drones have been widely used since the ’90s for long scientific missions, such as tracking whales, monitoring ocean currents and observing underwater volcanoes. They are also widely used by the world’s militaries – both the U.S. and China have large drone fleets. One such U.S. drone made headlines last December when China seized it, claiming it had been spying within its territory.

Next-generation drones will fly and dive into the sea like pelicans

WASHINGTON – Forget flying cars – flying submarines are about to make a splash. The U.S. Navy is developing a souped-up version of underwater drones that will boast the ability to get airborne. New Scientist reports.

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