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Air Force sent GSSAP satellite to check on stalled MUOS-5


Air Force sent GSSAP satellite to check on stalled MUOS-5 The U.S. Air Force said Aug. 18 it sent one of its high-orbiting space surveillance satellites to check on a Navy communications satellite that ran into propulsion problems about halfway to geosynchronous orbit. Following a June 24 launch, the fifth satellite in the Navy’s next-generation narrowband communications constellation, known as the Mobile User Objective System, had been expected to reach geosynchronous orbit and a test location about 35,400 kilometers above Hawaii by July 3. But the Navy said the satellite “experienced a failure of the orbit raising propulsion system,” five days into a 10-day climb, halting the transfer maneuver that would push the satellite from its initial elliptical launch orbit to geosynchronous orbit.   More



(Source: SpaceNews - Aug 19)

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