Testing shows rotor blades won't disintegrate when they spin at supersonic speed.
Ingenuity was a resounding success, becoming the first airborne platform to explore another world.
A little more than three years since NASA's Ingenuity helicopter ended its pioneering mission at Mars, engineers at the Jet Propulsion Laboratory in California are designing next-generation Martian rotorcraft to carry heavier payloads longer distances through the planet's low-density atmosphere.
