Free Spirit: Into the Sandbox
How a test rover stuck in a sandbox on Earth might help free spirit on Mars. credit: NASARelated Videos
- Mars Rovers Keep On Truckin'
- Mars Rovers Still Truckin' After Four Years
- Spirit Rover Still 'Stuck' On Mars
- Free Spirit - Exploring Options
- Rover Launch and Cruise
- Rover Mission to Mars
- Autonomous Rover Navigation
- Three Years on Mars-Spirit
- Rover Flight Director Report: 7
- Free Spirit: Plotting an Escape
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