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The team has just informed the Expedition 22 crew that while they don't know exactly what is responsible for the transitioning of command and control computers today, they do have a clue from data in the first of those computers to fail at 7:59 this morning, which implicates a system in the Columbus module, which packages data for transmission to the Columbus control center in Germany. While they continue the investigation, Mission Control is now is going to start working to send the backlog of commands that have been held up during the day. As the team worked through this issue, they became very selective about any commands sent to the station in order to not inadvertantly trigger another of these transitions. While the situation today never had an impact on the life support systems onboard the station and not a direct impact to the health or safety of the crew members, they were scheduled to be off-duty today and had private family conferences scheduled. Those had to be deferred because the Ku-band communication system was down during this and along with it, the IP telephone. So the crew has been advised that the ground is going to start working now to recover the Ku-band system and IP phone. [The crew] has been advised because they lost a good deal of their off-duty time today, their Wednesday is being cleared off so that they can have some time off-duty with everything operating back then.
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