Live coverage: Three-man crew closes out 173-day space mission

Orbital ATK’s Antares rocket will deliver the commercial Cygnus supply ship to an orbit with an altitude between 117 miles (189 kilometers) and 184 miles (296 kilometers) within about nine minutes of liftoff Saturday from Virginia’s Eastern Shore.

The Trump administration is proposing to end direct government support of the International Space Station in 2025, but plans to include $150 million in NASA’s fiscal 2019 budget, to be unveiled Monday, to begin work on transitioning, if possible, to a more commercially focused outpost, according to an internal NASA review.

Two Russian cosmonauts floated outside the International Space Station Thursday for a planned six-hour spacewalk to manually launch five small satellites, to test a variety of spacesuit upgrades, to retrieve an external experiment and to carry out routine inspections and maintenance.