The U.S. government has agreed for the first time to integrate a foreign nation into the Pentagon's most critical ballistic missile defense network, approving a potential sale to the United Kingdom of a suite of technologies to create nodes that connect to the Command and Control, Battle Management, and Communications (C2BMC) system. In a related development, Lockheed Martin has bested Raytheon in a contest to provide the U.K. with a ballistic missile defense radar at a classified site -- which...