Lockheed Martin ES-17 AEHF
The AEHF (Advanced Extremely High Frequency) constellation of communication satellites is the follow-on to the older Milstar system. It is compatible with Milstar's low- and medium-data rate modes, and adds a new high-data rate mode offering up to 8 Mbit/s. The AEHF satellites have been allocated the MDS designation ES-17A. They operate in GEO, and are equipped with more than 10 different antennas, serving as uplink/downlink from/to the Earth surface as well as crosslink between satellites for data relay. The AEHF constellation was completed with the launch of the 6th ES-17A in March 2020.
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| Image: USSF |
| ES-17A |
| Name | Intl. Designation | Launch | Notes |
|---|---|---|---|
| AEHF-1 | 2010-039A | 14-Aug-2010 | Also known as USA-214 |
| AEHF-2 | 2012-019A | 04-May-2012 | Also known as USA-235 |
| AEHF-3 | 2013-050A | 18-Sep-2013 | Also known as USA-246 |
| AEHF-4 | 2018-079A | 17-Oct-2018 | Also known as USA-288 |
| AEHF-5 | 2019-051A | 08-Aug-2019 | Also known as USA-292 |
| AEHF-6 | 2020-022B | 26-Mar-2020 | Also known as USA-298 |
Launch dates of the AEHF series
Main Sources
[1] Wikipdia: Advanced Extremely High Frequency
[2] Gunter Krebs: AEHF 1, 2, 3, 4, 5, 6
[3] USSF:
Advanced Extremely High Frequency System (AEHF)
Back to Directory of U.S. Military Rockets and Missiles, Appendix 3
1 February 2024