Program Archives

MARS EXPLORATION ROVER PROJECT MANAGER JOHN CALLAS
July 27, 2009
Guests: John Callas
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Spirit is stuck in the sands of Mars. Opportunity is racing toward Endeavour Crater. Their boss, John Callas, reports on both rovers that have made the red planet their home for more than five...  more »

MARS EXPLORATION ROVER PROGRAM MANAGER JOHN CALLAS
November 19, 2007
Guests: John Callas
Select Format: MP3    Windows Media   

Hard to believe it has been almost four years (and two Martian years) since the first Mars Exploration Rover crawled onto the surface of the Red Planet. John Callas of JPL provides a status report...  more »