September 30, 2010

STSS demonstration satellite tracks another spacecraft

STSS demonstration satellite tracks another spacecraft 
A Space Tracking and Surveillance System (STSS) demonstration programme satellite successfully detected and tracked another satellite during a test conducted on 19 July but not announced until 14 September. The spacecraft is one of two built by Northrop Grumman and Raytheon to explore missile-defence sensor risk reduction concepts to support development and fielding of a future missile-defence operational satellite constellation.