NASA will attempt to fly its Mars helicopter on April 19th - Engadget
- NASA will attempt to fly its Mars helicopter on April 19th Engadget
- NASA may attempt 1st Mars helicopter flight on Monday Space.com
- Mars Report: Update on NASA's Perseverance Rover & Ingenuity Helicopter (April 16, 2021) NASA Jet Propulsion Laboratory
- NASA says its Mars helicopter is ready for a historic first flight Ars Technica
- NASA's Mars helicopter Ingenuity aces troublesome spin test Space.com
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