The control system for U.S. Navy Tomahawk cruise missiles is being upgraded by Lockheed Martin. The company, which didn't announce the monetary value of the modernization effort, said work will focus on the Tactical Tomahawk Weapons Control System, which allows the preparation, control and launch of the missiles. The TTWCS is one of three prime components of the Tomahawk system. "Lockheed Martin is a key industry partner and continues to make significant and positive impacts directly supporting the Tomahawk Weapons System and our fleet sailors," said Navy Capt. Joe Mauser, Tomahawk program manager. "Lockheed Martin remains committed to enhancing the...