Lockheed Martin announced this week a $528 million contract award by the Missile Defense Agency for the production of interceptors for the Terminal High Altitude Area Defense antimissile system. According to a company statement, the new interceptors will support "a growing number of Army THAAD units." The ground service operates the system, while MDA budgets for it. The antimissile weapon was designed to destroy incoming missiles in the upper areas of the Earth's atmosphere. The Ground-based Midcourse Defense system covers...