NASA acting Administrator Robert Lightfoot and Jean-Yves Le Gall, president of France's space agency, CNES, conclude the signing of a cooperative agreement with a handshake June 19, 2017, at the 52nd International Paris Air Show at Le Bourget. Jan Wörner, ESA Director General, ESA Astronaut Thomas Pesquet and French President Emmanuel Macron participated in the event to reaffirm the agencies’ desire to explore opportunities for collaboration to advance science and to enable robotic and human exploration of the solar system.