Watch Built for Mars: The Perseverance Rover (2021) HD Full Movie Free on solarmovie.do. Watch Built for Mars: The Perseverance Rover (2021) online free. NASA's Jet Propulsion Laboratory to follow the birth of the Perseverance rover, whose primary missio...NASA's Jet Propulsion Laboratory to follow the birth of the Perseverance rover, whose primary mission is to search for traces of life in an ancient river delta on Mars and collect samples for eventual return to Earth.