Infrared sensors to detect heat from missile and booster plumes against earth's background; detection capability of smaller missiles; improved warning of attack by short-range missiles against U.S. and allied forces.
"Voice communication, data, imagery and video; survivable global military communication system. ""World's most secure, nuclear survivable, space-based communication system."""
"Direct-to-home video channels; 24 C-band, 24 Ku-band; Asia, Africa, Middle East, Europe."
Study influences of the sun and humans on the least explored and understood region of Earth's atmosphere ? the Mesosphere and Lower Thermosphere/Ionosphere (MLTI).
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