John Callas

Jet Propulsion Laboratory


Jet Propulsion Laboratory's Project Manager for NASA's Mars Exploration Rover project

John Callas on KCRW

It was a “big deal” for NASA when two so-called Rovers landed safely on Mars.

JPL Says Goodbye to the Mars “Spirit” Rover

It was a “big deal” for NASA when two so-called Rovers landed safely on Mars.

from Which Way, L.A.?

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