Q&A with Elon Musk, SpaceX’s founder and CEO

The International Space Station’s robotic arm, under the control of engineers on Earth, extracted an experimental inflatable habitat from the trunk of SpaceX’s Dragon supply ship Saturday and attached it to the orbiting complex.

Forecasters predict mostly clear skies, light winds and comfortable temperatures for Sunday’s launch of a Falcon 9 rocket with a NOAA satellite designed to warn of solar storms that could disrupt navigation and communication technology on Earth.

NASA has announced that veteran astronauts Joe Acaba and Ricky Arnold will launch on nearly six-month expeditions aboard the International Space Station starting in September and in March 2018, filling seats aboard Russian Soyuz spaceships recently acquired in a commercial arrangement with Boeing.