NASA's SkyFall Mars helicopters will feature a revolutionary antenna design

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From 2021 to 2024, NASA's Ingenuity helicopter became the first vehicle of its kind to explore the Martian atmosphere and surface. With that proof of concept complete, NASA is preparing to send a trio of helicopters to search for the most precious resource for future astronaut missions: water. Known as the SkyFall trio, these helicopters will detect frozen water within the top few meters of Martian regolith. To find possible water sources, each helicopter will use ground-penetrating radar with a flexible, fabric-based antenna extended beneath the spacecraft.