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Watch NASA attempt to fly Mars helicopter for the first time
By Morgan McFall-Johnsen
Mars Perseverance rover snaps selfie photo with Ingenuity helicopter
By Ashley Strickland
Mars helicopter Ingenuity unlocks its rotor blades to prepare for 1st flight on Red Planet
By Meghan Bartels
NASA's Mars Helicopter Ingenuity is 'go' for historic 1st flight
By Elizabeth Howell