The German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and NASA concluded a framework agreement for bilateral cooperation in Washington D.C. on 8 December 2010. The agreement was signed by NASA Administrator Charles F. Bolden and DLR Executive Board Chairman Johann-Dietrich Wörner. The partners have also agreed to cooperate on lunar research, through the Lunar Science Institute Agreement.

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