PASADENA: NASA’s Mars Helicopter, a small, autonomous rotorcraft, which will travel with the agency’s Mars 2020 rover, currently scheduled to launch in July 2020, to demonstrate the viability and potential of heavier-than-air vehicles on the Red Planet, is shown in this artist rendition from NASA/JPL in Pasadena, California, U.S. May 11, 2018. REUTERS-5R