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TSX 5 (Tri-Service eXperiments 5) was an American military spacecraft that was launched at 14:20 UT by a Pegasus rocket released from a L-1011 cargo plane flying out of Vandenberg AFB. It carried a compact environmental anomaly sensor (CEASE) to probe the near-spacecraft environment. Also on board were the STRV-2 and MWIR instruments: the former to experiment with laser communications between spacecraft and the latter to provide infrared images of flying aircraft. More details may be available by surfing

Alternate Names

  • 26374
  • Tri-Service eXperiments 5
  • TSX5

Facts in Brief

Launch Date: 2000-06-07
Launch Vehicle: Pegasus
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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