Live coverage: Cygnus supply ship departs space station

The spacecraft will journey back to Earth without the two astronauts it launched with back on June 5. Undocking is set for 6:04 p.m. EDT (2204 UTC) with landing just after midnight on Saturday.

Orbital ATK has cinched $188 million in contracts to complete development of the Orion crew capsule’s needle-shaped launch abort system, resuming work stalled in the wake up a major shakeup of NASA’s human spaceflight program by the Obama administration in 2010.

Wrapping up a busy week on the International Space Station, a crew of three boarded their Soyuz landing craft and headed for Earth on Friday. Cosmonaut Gennady Padalka, the most experienced space crewman in history, was at the controls, along with Danish and Kazakh crew members, and landed in Kazakhstan at 8:51 p.m. EDT Friday (0051 GMT Saturday).