Q&A with Mark Mulqueen, Boeing’s space station program manager

The debut launch of an upgraded version of Orbital ATK’s Antares rocket has slipped to Friday after ground teams resolved a minor vehicle issue and made emergency preparations for Hurricane Matthew, which bypassed the Antares launch site on Virginia’s Eastern Shore this weekend.

The composite structure of Sierra Nevada Corp.’s first space-rated Dream Chaser space plane has arrived at the company’s Colorado factory for integration with computers, a heat shield and mechanical systems before launch to the International Space Station in late 2021.

A Cygnus supply ship built by Northrop Grumman departed the International Space Station Monday, beginning an extended mission in orbit to deploy a pair of CubeSats and perform a NASA-sponsored fire experiment.