As the Air Force considers the fate of the troubled next-generation GPS ground-control segment, which is moving through a Nunn-McCurdy review process, prime contractor Raytheon is focused on keeping the program on schedule and meeting development milestones. The GPS OCX program was put on notice last year after Pentagon acquisition chief Frank Kendall announced it would be delayed an additional two years, putting it five years behind schedule. Since then, department and service officials have been meeting regularly with program...