Satellite Milstar DFS-6 (USA 169) (Military Strategic and Tactical Relay) of US Air Force

Name of Satellite, Alternate Names Milstar DFS-6 (USA 169) (Military Strategic and Tactical Relay)
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) -89.98
Perigee (km) 35768
Apogee (km) 35806
Eccentricity 0.000450696207035605
Inclination (degrees) 0.82
Period (minutes) 1436.13
Launch Mass (kg.) 4536
Dry Mass (kg.)
Power (watts) 8000
Date of Launch 08-04-2003
Expected Lifetime 12 yrs.
Contractor Lockheed Martin Missiles and Space
Country of Contractor USA
Launch Site Cape Canaveral
Launch Vehicle Titan 4B
COSPAR Number 2003-012A
NORAD Number 27711
Comments Voice communication, data, imagery and video; survivable global military communication system. "World´s most secure, nuclear survivable, space-based communication system."


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