On July 4, 1997, NASA's Mars Pathfinder lander and Sojourner rover successfully landed on the Red Planet utilizing a revolutionary airbag landing system. This special 20th anniversary show chronicles the stories and the people behind the groundbreaking mission that jump-started 20 years of continuous presence at Mars. Guests include: Former NASA Administrator Dan Goldin, former JPL Directors Ed Stone and Charles Elachi, JPL Director Michael Watkins and Pathfinder mission team members Jennifer Trosper and Brian Muirhead. Recorded June 27, 2017 at NASA Jet Propulsion Laboratory; aired on NASA TV on July 4,