The Army and Lockheed Martin have begun negotiating an engineering and manufacturing development contract for the Theater High Altitude Area Defense system following weeks of wrangling over the company's proposal, which was deemed unacceptable at first blush. Army and industry sources say negotiations began this morning in Huntsville, AL, home of the Space and Missile Defense Command. SMDC is the contracting authority. The contract, which is expected to be worth as much as $4 billion, was never in jeopardy. However,...