NASA Administrator Charles Bolden, left, and President of the Centre National d'Etudes Spatiales (CNES), Jean-Yves Le Gall, right, sign a joint statement on space exploration, Monday Dec. 19, 2016 at NASA Headquarters in Washington.
NASA Administrator Charles Bolden, left, and President of the Centre National d’Etudes Spatiales (CNES), Jean-Yves Le Gall, right, sign a joint statement on space exploration, Monday Dec. 19, 2016 at NASA Headquarters in Washington.
Photo Credit: (NASA/Aubrey Gemignani)