Live coverage: Two Americans, one Russian back on Earth from space station

Departing Expedition 49 Commander Anatoly Ivanishin hands over International Space Station command to NASA astronaut Shane Kimbrough.

The man in charge of the Orion crew capsule program at Lockheed Martin is a lifelong veteran of the space program, beginning his tenure at NASA’s Johnson Space Center in the late 1970s before taking posts in Washington and joining Lockheed Martin to lead the company’s work on the nation’s new spacecraft for journeys beyond Earth orbit.

SpaceX launch crews rolled out the company’s next Falcon 9 rocket to pad 39A at the Kennedy Space Center in Florida, then lifted the two-stage launcher vertical for a hold-down engine firing Thursday in preparation for launch next week with a South Korean-owned commercial communications satellite.