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USA 186



USA 186 is an American military reconnaissance craft that was launched by a Titan 4B rocket from Vandenberg AFB at 18:05 UT on 19 October 2005. It marks the end of the Titan 4 era which began in 1986 soon after the Challenger tragedy so as to free the Pentagon from dependency on NASA's Shuttles. Neither the payload nor the orbital information is available for this NRO-commissioned mission.

Alternate Names

  • 28888
  • USA186

Facts in Brief

Launch Date: 2005-10-19
Launch Vehicle: Titan 4B
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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