Air Force receives bids for debris-tracking Space Fence

Lockheed Martin and Raytheon have submitted bids to the U.S. Air Force for construction of a network of radars to scan the sky and detect small fragments of space debris with unprecedented precision. The defense contractors are competing for a contract worth up to $3.5 billion to build the radars under the Air Force's Space Fence program, which aims for a ten-fold improvement in space tracking capability over the Air Force Space Surveillance System radar network, which has been operational since 1961. More

(Source: SpaceFlight Now - Nov 16)