Astronomers have identified the true nature of an unusual source in the Milky Way galaxy.
Engineers monitor a propulsion test.
A vacuum test stand with a rare snow fall blanketing the foothills behind the Propulsion Test Area.
Our Propulsion Test Area houses numerous vacuum and ambient test stands.
The Propulsion Test Team sets up a propulsion test.
Test firing of a propulsion engine.
A propulsion system is carefully being lowerd into one of our vacuum test stands.
Our workforce carefully installs a test system into one of our propulsion test stands.
Expedition 48-49 crew members are pictured aboard their aircraft en route to their launch site in Baikonur, Kazakhstan.
Astronauts Kate Rubins and Peggy Whitson
