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Ray O. Johnson

Lockheed Martin Chief Technology Officer and Senior Vice President Ray Johnson

Ray O. Johnson

Latest Planetary Radio Appearance

Planetary Radio Live at the USA Science and Engineering Festival with Mike Rowe of Dirty Jobs

April 29, 2014 • 52:29

Join us at the world’s biggest public science event in Washington DC, where we talk about dirty jobs in space with television’s terrific Mike Rowe.

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