| Name of Satellite, Alternate Names | AEHF-1 (Advanced Extremely High Frequency satellite-1, USA 214) |
| Country of Operator/Owner | USA |
| Operator/Owner | US Air Force |
| Users | Military |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | -69 |
| Perigee (km) | 35872 |
| Apogee (km) | 36103 |
| Eccentricity | 0.00272678982470637 |
| Inclination (degrees) | 4.36 |
| Period (minutes) | 1446.36 |
| Launch Mass (kg.) | 6169 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 14-08-2010 |
| Expected Lifetime | 14 yrs. |
| Contractor | Lockheed Martin Space Systems |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Atlas 5 |
| COSPAR Number | 2010-039A |
| NORAD Number | 36868 |
| Comments | Constellation of 3 plus 1; will replace the Milstar system. This Satellite´s main engine failed right after launch, stranding it in a transfer orbit. It may reach its GEO orbit by summer 2011. |