Significant' Milestone: Navy Helicopter Drone Completes First Tests
China develops powerful new engine for drone flights in plateau regions - Global Times
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France Orders New VSR700 VTOL Drone Prototype from Airbus Helicopters - Naval News
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This Full-Size Helicopter Is Actually A Drone | Popular Science
This U.S. Army Helicopter Drone Could Evacuate Wounded Soldiers
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China's first ship-borne helicopter drone makes maiden flight | South China Morning Post
Turkish firm developing country's first unmanned helicopter