Watch the Falcon 9 launch from pad 39A

Cosmonauts Sergey Prokopyev and Dmitri Petelin floated outside the International Space Station Wednesday, unbolted an experiment airlock from the Rassvet docking compartment and then connected it to Russia’s Nauka multi-purpose laboratory module in a 7-hour, 11-minute excursion.

Astronaut Mark Vande Hei and Japanese crewmate Norishige Kanai floated outside the International Space Station Friday, repositioned two robot arm grapple mechanisms following repair work last month and carried out a variety of “get-ahead” tasks before calling it a day.

A veteran Russian commander, Italian flight engineer and a rookie NASA astronaut lifted off at 1628 GMT (12:28 p.m. EDT) Saturday from the Baikonur Cosmodrome in Kazakhstan, kicking off a six-hour flight to the International Space Station. The crew docked with the station at 2248 GMT (6:48 p.m. EDT).