Air Force Space Surveillance System (AFSSS)
See the following -
Sequester Shutters System For Tracking Threats From Outer Space
Bob Brewin | Nextgov | August 13, 2013
Amid cost-cutting efforts, the Air Force plans to shut down an aging radar system that tracks thousands of objects in space. The fate of a planned $2 billion replacement system is still up in the air. Read More »