Tiny Mars 'Copter Service Extended

It was only supposed to fly five times. And yet NASA's helicopter on Mars, Ingenuity, has completed 12 flights and it isn't ready to retire.

Photo Insert: NASA's Ingenuity Helicopter flying by the Perseverance Mars Rover.

Given its stunning and unexpected success, the US space agency has extended Ingenuity's mission indefinitely, according to an AFP report.

The tiny helicopter has become the regular travel companion of the rover Perseverance, whose core mission is to seek signs of ancient life on Mars.

"Everything is working so well," said Josh Ravich, the head of Ingenuity's mechanical engineering team. "We're doing better on the surface than we had expected."

Hundreds of people contributed to the project, though only about a dozen currently retain day-to-day roles.

Ravich joined the team five years ago.

"When I got the opportunity to come work on the helicopter project, I think I had the same reaction as anybody else: 'Is that even possible?'"

His initial doubts were understandable: The air on Mars has a density equivalent to only one percent that of Earth's atmosphere. By way of comparison, flying a helicopter on Mars would be like flying one in the thin air nearly 30km above Earth.

Nor was it easy getting to Mars in the first place. Ingenuity had to withstand the initial shock of takeoff from Earth, and then of the Feb 18 landing on the red planet following a seven-month voyage through space, strapped to the rover's belly.

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