Starliner rolls to launch pad ahead of Saturday crew liftoff from Cape Canaveral, Florida An Atlas V rocket slowly rolled out of the United Launch Alliance Vertical Integration Facility on Thursday morning,

The capsule, on top of a United Launch Alliance Atlas rocket, carries two American astronauts to the International Space Station.

Boeing's Starliner spacecraft is set for a third attempt to fly astronauts to space for the first time on Wednesday, a much-delayed testing milestone in the aerospace giant's ambitions to step up its competition with Elon Musk's SpaceX.

Boeing’s Starliner sprung two new leaks in its propulsion system after launch from Cape Canaveral on Wednesday, but NASA has told its two NASA astronauts on board that it’s safe to proceed with planned docking at the International Space Station today.

NASA is paying close attention to the development of Starship, placing the rocket at the center of the space its flagship moon campaign, known as the Artemis program.

NASA astronauts Butch Wilmore and Suni Williams are ready to fly aboard Boeing's Starliner, which is set to launch to the International Space Station.