Watch as NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev begin their return voyage to Earth.
The Soyuz MS-28 spacecraft is scheduled to undock from the International Space Station at 3:03 a.m. EDT (2:03 a.m. CST) (0703 UTC), with an expected landing time of 6:25 a.m. EDT (5:25 a.m. CST) (1025 UTC).