Space missions often defy the odds, overcoming all obstacles. The people who work on these missions also face challenges to get where they are today. Marleen Martinez Sundgaard, the testbed lead for InSight, personifies this tenacious spirit.

Episode 3: True Grit on the Road to Mars

Video and audio podcasts from NASA's Jet Propulsion Laboratory feature the latest news on space and science findings from JPL and NASA. Topics include discoveries made by spacecraft studying planets in our solar system, including Mars, Saturn and our home planet, Earth. Missions also study stars and galaxies in our universe. Other topics cover tips for amateur astronomers and updates from the Mars Rover and Cassini missions.

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Episode 3: True Grit on the Road to Mars

Episode 3: True Grit on the Road to Mars

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