Where no rover has gone before: how Mars helicopters enable a new era of exploration .
One of NASA’s greatest successes of the 21st century thus far came in a very unexpected form: a four-pound helicopter called Ingenuity. Ingenuity created a new Wright Brothers moment when it flew the Martian skies in 2021, pioneering an entirely new way of exploring Mars and captivating the global public’s attention. Built and delivered to the launch pad in less than 18 months for a cost of less than 3% of the rover that it accompanied to Mars, Ingenuity punched above its weight class in every respect — and made a strong case that NASA should follow up with even more helicopter missions.
The Ingenuity mission was considered a technology demonstrator, intended only to prove something could fly in the barely-there atmosphere of Mars. After accomplishing that with its first flight, it also showed that even a helicopter with no dedicated science instrumentation could conduct meaningful science. Through 72 flights, Ingenuity was Perseverance’s trusty sidekick, leading directly to collections of intriguing rock samples and helping researchers understand the winds, the movement of sand, and the shaping of the landscape on Mars.
Ingenuity has earned awards and citations in scientific journals, but its greatest legacy lies in its role as a trailblazer for future aerial vehicles. It has definitively proven that controlled flight on Mars is not just possible — it’s a game-changer. Thanks to the invaluable data gathered from Ingenuity’s flights, the next generation of Mars helicopters will be even more capable. Future vehicles will carry scientific payloads, cover greater distances, reach previously inaccessible locations and fly with unmatched precision, enabling groundbreaking science missions.
Low-cost vehicles that make heavy use of Ingenuity legacy hardware could carry more than two pounds of dedicated scientific instrumentation on daily flights of nearly a mile each. They can operate alone, collaboratively in pairs or swarms, or partnership with rovers or landers. And since they can access terrain that no rover or lander could navigate, helicopters may well give us our first close-up views into some of the most interesting and challenging places on Mars — like glacial crevasses, vertical cliff faces or skylight openings into hollow lava tubes.
The scientific potential of Ingenuity’s successors seems limitless. Last summer, researchers held two workshops dedicated to the discussion of aerial science on Mars. The “Rise of the Drones” workshop, led by Jet Propulsion Laboratory (JPL) researcher Serina Diniega, spurred an open discussion between scientists, engineers, mission planners, and instrument developers about what new planetary science is enabled with already-existing drone technologies and applications, yielding plentiful ideas for how to carry those terrestrial technologies to Mars. A second workshop focused on a JPL concept in early development to use a more complex flying vehicle to survey the length of Valles Marineris, the grandest canyon in our solar system. With each passing scientific conference, ideas and concepts for flying vehicles on Mars keep adding up.
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