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USA 173



USA 173 is an American military satellite (operated by the National Reconnaissance Office) that was launched by an Atlas 2AS rocket from Vandenberg AFB at 10:04 UT on 2 December 2003. It is reported to be part of the NOSS (Naval Ocean Surveillance System) fleet.

Alternate Names

  • 28095
  • USA173

Facts in Brief

Launch Date: 2003-12-02
Launch Vehicle: Atlas 2AS
Launch Site: Vandenberg AFB, United States

Funding Agency

  • Unknown (United States)


  • Surveillance and Other Military

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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