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Exploring Mars: Charles Whetsel
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Charles Whetsel is the chief engineer of the Mars Program.
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Mars Mission Risks
Earning a Degree from the School of Hard Knocks
Mars: So Close, Yet So Far Away
Mars Orbit Insertion: This IS Rocket Science
Tapping the Aerobrake
Will it be 'Bolero' or Lucy and Ethel in the Chocolate Factory?
'You Don't Know What You Don't Know'
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