| Name of Satellite, Alternate Names | DSCS III-F12 (USA 153, DSCS III B-11) (Defense Satellite Communications System) |
| 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) | -12.15 |
| Perigee (km) | 35774 |
| Apogee (km) | 35799 |
| Eccentricity | 0.000296514179308055 |
| Inclination (degrees) | 0.04 |
| Period (minutes) | 1436.12 |
| Launch Mass (kg.) | 1156 |
| Dry Mass (kg.) | 884 |
| Power (watts) | 1240 |
| Date of Launch | 20-10-2000 |
| Expected Lifetime | 10 yrs. |
| Contractor | Lockheed Martin Missiles and Space |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Atlas 2A |
| COSPAR Number | 2000-065A |
| NORAD Number | 26575 |
| Comments | Super High Frequency (SHF) for U.S. government and military; sophisticated survivability enhancement; worldwide, longhaul coverage; X-band. |