NASA shifts Mars strategy to helicopter fleet with SkyFall and nuclear propulsion test

NASA’s upcoming Mars agenda marks a departure from over 30 years of rover and lander missions, turning to a fleet of helicopters as its primary exploration tool. The SkyFall project, comprising three helicopters and a spare, will travel to the Red Planet aboard the Space Reactor-1 “Freedom” spacecraft, which aims to validate nuclear electric propulsion in deep space and carries an estimated price tag of $2.1 billion. The launch window is targeted for as early as late 2028, a rapid timeline for concepts that did not exist six months ago.

AeroVironment, the maker of the Ingenuity helicopter that first flew on another world in 2021, will co-design and manufacture the SkyFall vehicles, which are slightly larger and feature upgraded rotors for heavier scientific payloads. JPL will handle power, avionics, software and a ground-penetrating radar to probe shallow subsurface ice, while the helicopters will also host cameras and atmospheric sensors. The program seeks to prove that Mars helicopters can be produced as a repeatable product line rather than a one-off experiment.