About the video: gameplanets wrote: On July 4, 1997, we got more than a fireworks show to celebrate the birth of our nation. That date marked America's first successful trip back to the surface of Mars since the Viking missions of the 1970s. The Mars Pathfinder mission and its gutsy rover, Sojourner, fascinated the world as they performed nearly flawlessly on our neighboring planet. In this video, Pathfinder alumni reminisce about the little mission that could. more info http://spacehalo.blogspot.com