70th International Astronautical Congress Thomas Zurbuchen, Associate Administrator of NASA's Science Mission Directorate, left, speaks with Hansjörg Dittus, Executive Board Member for Space Research and Technology at the German Aerospace Center (DLR) during a meeting at the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019 in Washington.

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Keywords: 70th, aerospace, astronautical, center, congress, dc, dittus, german, hansjörg, international, joel, kowsky, nasa, thomas, washington, zurbuchen