The postponement of the launch of the American manned spacecraft CST-100 Starliner to the International Space Station (ISS) is due to its unavailability for launch, and not to the unscheduled activation of the engines of the Nauka module. This was announced on July 30 by a source in the rocket and space industry.
“NASA’s statements about the postponement of the launch of the Starliner spacecraft to the ISS at Roskosmos are associated with its technical unavailability,”RIA News»Your interlocutor.
After docking with the ISS on July 29, the Nauka module unplannedly turned on the engines; as a result, the station lost its orientation and changed its altitude. Roscosmos commented on the incident, specifying that the work on transferring the module from flight mode to “docked with the ISS” mode continues.
To eliminate the loss of orientation of the ISS, it was necessary to turn on the engines of the Zvezda module and the Progress MS-17 cargo vehicle docked to the Poisk module. By now, the height of the station has been restored, there is no danger for the crew.
On the same day, NASA announced the postponement of the launch of Boeing’s Starliner spacecraft for a flight to the ISS due to the incident with the Science module. The launch of the second test flight was postponed to give the ISS crew time to check the operation of the newly arrived module, as well as to prepare for the arrival of Starliner.
On July 21, the Nauka module was launched from the Baikonur cosmodrome on a Proton-M rocket and launched into near-earth orbit. On July 26, Russia undocked the Pirs module from the Zvezda module on the ISS to make room for Nauka.