Pentagon vows tough scrutiny of Raytheon GPS control system

By Andrea Shalal WASHINGTON (Reuters) - The Pentagon's chief arms buyer on Tuesday vowed "very intense management" of Raytheon Co's work on a ground control network for new global positioning system (GPS) satellites, and said the department would revisit other options if Raytheon's performance did not improve. Defense Undersecretary Frank Kendall told Reuters he believed a new plan that delays completion of the ground system by two years would ultimately succeed, but said the U.S. Defense Depart