Uploaded August 2017 | Updated September 2026, 3 weeks ago

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TDRS-M is an American communications satellite which is operated by NASA as part of the Tracking and Data Relay Satellite System, which provides a multitude of communications services to a wide variety of missions.

The Tracking and Data Relay Satellite System, or TDRSS, is a fleet of geosynchronous communications satellites that form part of NASA’s Space Network.

Launch will occur on Friday, 18 August 2017, with a 40 minute window starting at 12:03:00 UTC.