Lockheed Martin and the Defense Department are hammering out terms for expanding the space surveillance capability of the Long Range Discrimination Radar, a planned major software upgrade that would improve the ability of the ballistic missile defense sensor to detect and track objects in orbit in the mid-2020s. Chandra Marshall, director of Lockheed Martin's Missile Defense and Space Surveillance Radar programs, said the company is currently negotiating with MDA about the scope and cost of the planned upgrade -- which...