Geostationary
AEHF-1 (USA 214)
Military EHF Communications · US Space Force
Right now
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The first Advanced Extremely High Frequency satellite — MILSTAR's successor and the most capable protected military communications satellite ever built. AEHF provides 10 times more throughput than MILSTAR while being even more jam-resistant and survivable. A single AEHF satellite can support more users than the entire MILSTAR constellation combined. It also supports allied nations: Canada, the Netherlands, Australia, and the UK all use AEHF capacity. After launch in 2010, a thruster failure almost stranded it in the wrong orbit — engineers spent 14 months using backup thrusters to nurse it to the correct altitude.
Its orbit
- Orbit
- Geostationaryappears to hang motionless over one spot on the equator
- Altitude
- 22,232–22,253 mi (35,779–35,812 km)
- Inclination
- 8.5°
- One orbit
- 23.9 hoursabout one orbit a day
- NORAD ID
- 36868
- Int’l designator
- 2010-039A
- Launched
- 2010
Orbital elements from CelesTrak, as of 22 Sep 2026.
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