Photo: NASA · Public domain (US government)

Titan IVB | NROL-19

Success US Air Force, Titan IVB/Centaur

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Mission

Government/Top Secret · GSO

USA 171 is an American geostationary military spacecraft. It is reported to be an ORION-class craft belonging to the National Reconnaissance Office.

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If the launch moves, your reminders move with it, and at the time of your first reminder we tell you the new date.