The Mars Rover "Perseverance" is preparing to head off to search for long lost Martian life, but before it does, it will prepare and fly it's on board helicopter which is now no longer on board. It was lowered to the surface when the rover landed. Now, NASA will go through all the motions and eventually launch the very first helicopter on Mars. Here are the details including a very cool animation of what the flight will look like. More Here.