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USA 278



The spacecraft are probably the next generation for the Trumpet and 'Trumpet-F/O' SIGINT satellites operating in a Molniya orbit.

Alternate Names

    Facts in Brief

    Launch Date: 2017-09-24
    Launch Vehicle: Atlas V
    Launch Site: Vandenberg AFB, United States

    Funding Agency

    • United States Air Force Academy (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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