Watch NASA's Mars Rovers: Spirit, Opportunity, & Curiosity (1970) : Full Movie Online Free NASA's Rover program has brought together some of the greatest engineers and innovators to realize the goal of designing, building, launching and landing a research vehicle on Mars. Witness the incredible obstacles that needed to be overcome and the amazing technological achievements realized. Viewers will learn about the three Rovers to date: Spirit, Opportunity and Curiosity, detailing the important missions of each and the exciting discoveries that bring us a deeper understanding of the red planet.