Live coverage: Cygnus cargo freighter departs space station

The astronaut “is in stable condition under observation as a precautionary measure,” NASA said in a statement 10 hours after the Crew Dragon’s landing. “To protect the crew member’s medical privacy, specific details on the individual’s condition or identity will not be shared.”

Flight controllers and other essential personnel at NASA’s Johnson Space Center just south of Houston are sheltering in place, maintaining contact with the International Space Station during torrential rain and flooding across south Texas from the slow-moving remnants of Hurricane Harvey.

Orbital ATK started work on two more surveillance satellites for the U.S. Air Force’s geosynchronous neighborhood watch program late last year as the military aims to expand its ability to track and investigate other objects in the heavily-trafficked belt more than 22,000 miles over the equator.