It's already supposed to have happened, they are waiting for the data: https://www.nytimes.com/2021/04/19/science/nasa-mars-helicopter.html https://www.nytimes

It's already supposed to have happened, they are waiting for the data: https://www.nytimes.com/2021/04/19/science/nasa-mars-helicopter.html https://www.nytimes.com/2021/04/19/science/nasa-mars-helicop...