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42 results matching your selection

SBIRS GEO 4 (USA 273)

Space surveillance of satellites ar GEO.

SBIRS GEO 2 (USA 241)

Expected to be operational before GEO 1.

SBIRS GEO 1 (USA 230)

Defect in communications system; still has not entered service as of 2013. Uses infrared sensors to detect and track missile launches; equipped with both scanning and staring instruments. Will eventually replace DSP system.

STSS DEMO 1 (USA 208)

Use sensors on the two spacecraft to track ballistic missiles.

STSS DEMO 2 (USA 209)

Pathfinders for Missile Defense Agency's 200 Capellite LEO connstellation.

USA 197

USA 176

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.

USA 159

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.

USA 149

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.

USA 142