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UNDOCKING AND REDOCKING OF SOYUZ MS-13, Aug 25, 2019, Earth orbit, 11:34 pm EDT (NASA TV begins 11:00 pm EDT)

The uncrewed Soyuz MS-14 spacecraft could not dock at the International Space Station (ISS) as planned on August 24 because of the failure of a power amplifier in the KURS automated docking system on the ISS.  A second attempt will be made on August 26.

For its second attempt, Soyuz MS-14 will be brought into a different docking port (Zvezda) where the KURS automated system is working properly.

Another spacecraft, Soyuz MS-13, is currently docked there, however, so on Sunday, Aug. 25 EDT, the Soyuz MS-13 crew will get into the spacecraft and move it to the Poisk docking port where Soyuz MS-14 was intended to dock.  With a crew aboard, they can execute a manual docking that does not require KURS.  Soyuz MS-14 then will dock at Zvezda, where KURS is working properly, a day later.

The Soyuz MS-13 crew (Skvortsov, Morgan, Parmitano) will undock from the Zvezda port Sunday night at 11:34 pm EDT and redock at Poisk 25 minutes later at 11:59 pm ET.  NASA TV coverage begins at 11:00 pm EDT.

On Monday, August 26, at 11:12 pm EDT, Soyuz MS-14 will dock at the Zvezda port.  NASA TV coverage begins 10:30 pm EDT.


August 25, 2019
11:00 pm - 11:59 pm