Video: Change of command aboard International Space Station

This was the first time that the space agency happened to launch a crewed mission to the International Space Station on a Friday the 13th. The Crew-12 mission took flight onboard a SpaceX Falcon 9 rocket at 5:15 a.m. EST (1015 UTC).

SpaceX test-fired a Falcon 9 rocket Wednesday afternoon at NASA’s Kennedy Space Center in Florida, clearing a major hurdle before it launches Saturday night — weather permitting — with a four-person crew heading for the International Space Station.

NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko are gearing up for launch March 27 to kick off a record one-year stay aboard the International Space Station, an orbital marathon both men say is crucial for planning future flights beyond Earth orbit and, eventually, to Mars.