70th International Astronautical Congress

Jean-Yves Le Gall, president of the French space agency, National Centre for Space Studies (CNES), tests a robotic arm at the NASA exhibit during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019, at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)

Jean-Yves Le Gall, president of the French space agency, National Centre for Space Studies (CNES), tests a robotic arm at the NASA exhibit during the 70th International Astronautical Congress, Wednesday, Oct. 23, 2019, at the Walter E. Washington Convention Center in Washington. Photo credit: (NASA/Aubrey Gemignani)