Q&A with Michel Denis, ExoMars flight director

NASA’s InSight Mars lander will be buttoned up for launch in the coming weeks at Vandenberg Air Force Base in California, in preparation for its hoisting atop an Atlas 5 rocket for blastoff in the predawn hours of May 5.

Eight days after a dramatic spacewalk to inspect the site of a leak in the hull of his Soyuz ferry ship, Russian commander Sergey Prokopyev, German flight engineer Alexander Gerst and NASA astronaut Serena Auñón-Chancellor geared up to depart the International Space Station Wednesday for a fiery plunge back to Earth.

The chief technology officer of SES, operator of the world’s largest commercial geostationary satellite fleet, spoke with reporters on the eve of the launch of the company’s SES 9 communications craft aboard a Falcon 9 rocket.