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AEHF 1 (Advanced Extremely High Frequency) is a U.S. Air Force communications satellite launched on 14 August 2010 from Cape Canaveral at 11:07 UT. The satellite was launched by an Atlas rocket and weighed 6169 kg. AEHF 1 is the first of four Advanced Extremely High Frequency (AEHF) satellites that will replace the earlier Milstar system. The AEHF spacecraft will provide highly-secure communication and has more capacity and faster data rates that will benefit tactical military communications, enabling higher quality maps, targeting data and live video to be transmitted ensuring a survivable line of contact in times of nuclear warfare. The craft has a 14-year design life and is expected to enter service early next year from an orbital location dictated by the needs at that time.

Alternate Names

  • 36868
  • USA 214
  • AEHF1

Facts in Brief

Launch Date: 2010-08-14
Launch Vehicle: Atlas
Launch Site: Cape Canaveral, United States


  • Communications
  • 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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