2018 USA Science and Engineering Festival NASA Acting Chief Technologist Douglas Terrier speaks about technology challenges for the Moon, Mars, and beyond during Sneak Peek Friday at the USA Science and Engineering Festival, Friday, April 6, 2018 at the Walter E. Washington Convention Center in Washington, DC. The festival is open to the public April 7-8.

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Keywords: dc, douglas, engineering, festival, joel, kowsky, math, nasa, science, technology, terrier, usa, washington