The Missile Defense Agency is readying a potential $15 billion contract with Lockheed Martin to buy Terminal High Altitude Area Defense systems for Saudi Arabia, a deal in the works for years that would in a single package outfit the desert kingdom with seven batteries -- equivalent to the Army's current THAAD ballistic missile defense capabilities for the entire globe. On Feb. 8, MDA announced plans to award a sole-source contract to Lockheed Martin Missiles and Fire Control "to support...