NASA has tried to send a lot of people into space, sadly NASA has not completed all of their missions. Most missions have succeeded their goals however, there is a handful of missions that have failed. Space mission Gemini, Apollo 13, and Spirit and Opportunity have two things in common. They all have spinoffs, and they all tried or succeeded to travel to planets. This mission is Apollo 13, the only one that did not accomplish its goal, Gemini, and Spirit and Opportunity are missions that succeeded. Space mission Spirit and Opportunity were two sister rovers that had the same goal, to land on Mars and find life or water. Opportunity launched on July 7, 2003. Spirit launched on June 10, 2003. Opportunity reached Mars on January 25,
