Live coverage: International crew lands in Kazakhstan

Eric Boe, one of three astronauts assigned to the first piloted test flight of a Boeing CST-100 Starliner commercial crew ship later this year has been removed from the mission due to unspecified medical issues, NASA announced Tuesday. He will be replaced by veteran astronaut Mike Fincke.

Two days after blasting off from NASA’s Kennedy Space Center in Florida, SpaceX’s refurbished Dragon supply ship arrived at the International Space Station on Monday with nearly 6,000 pounds of experiments and equipment. Grapple of Dragon by the station’s robot arm occurred at 9:52 a.m. EDT (1352 GMT).

SpaceX’s ground team hydraulically hoisted a 213-foot-tall Falcon 9 rocket vertical at pad 39A at NASA’s Kennedy Space Center before dawn Monday ahead of a planned liftoff with a space station-bound robotic resupply craft.