International Space Station Experiences Loss of Communications with Ground Control

At approximately 9:45 AM EST (1445 UTC) on Tuesday, February 19, the International Space Station (ISS) experienced a loss of communication with the ground. At that time, flight controllers in Houston were updating the software onboard the ISS’s flight computers when one of the ISS’s data relay systems malfunctioned. The primary computer that controls critical station functions defaulted to a ba…

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