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Sandbox Testing to Prepare for Driving Spirit
Spirit simulation in the sandbox at JPL

Rover-team members at NASA's Jet Propulsion Laboratory, Pasadena, Calif., check slight movements by a test rover during tests simulating the challenge of getting NASA's Mars Exploration Rover Spirit out of a sand trap on Mars. From left: Alfonso Herrera, Matt Van Kirk, Mike Seibert, Brenda Franklin.

Image Credit: NASA/JPL-Caltech

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