https://www.reuters.com/article/us-space-mars-helicopter/in-an-interplanetary-first-nasa-to-fly-a-helicopter-on-mars-idUSKBN1IC2OU

NASA said on Friday it will send a small helicopter to Mars as part of the U.S. space agency's 2020 mission to place a next-generation rover on the Martian surface, marking the first time such an aircraft will be used on another world.