Live coverage: Soyuz crew capsule arrives at space station

Two astronauts working outside the International Space Station Wednesday installed a European Space Agency data relay antenna and connected four of six cables to partially power a new ESA experiment platform. They also removed two solar array handling fixtures to clear the way for a future power system upgrade.

The most powerful version of United Launch Alliance’s Atlas 5 rocket lifted off from Cape Canaveral at 10:30 a.m. EDT (1430 GMT) today on a three-hour flight to deploy a U.S. Navy mobile communications satellite into orbit. Follow the mission in our live journal.

The Russian government is investigating flaws found in Proton rocket engines, ordering all suspect components to be replaced before the heavy-lift booster can resume launches and promising penalties for those responsible for allowing substandard parts to slip through inspection.