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The Navy, working with Skydweller Aero, just reached a major milestone in clean-energy aviation. Its solar-powered drone , known as Skydweller, flew for 73 hours straight without needing fuel. The test happened at Stennis, Mississippi, under the leadership of the Naval Air Warfare Center Aircraft Division (NAWCAD).

This breakthrough shows how renewable energy can power long-endurance missions while cutting costs and reducing reliance on fuel.

AMERICA'S SKIES ARE WIDE OPEN TO NATIONAL SECURITY THREATS, DRONE EXPERT WARNS: 'WE HAVE NO AWARENESS'

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