Schedule delays and cost overruns have prompted a Pentagon-level, deep-dive review of the Air Force's next-generation Global Positioning System ground architecture, but prime contractor Raytheon said this week that the most significant schedule risk has almost passed. Matt Gilligan, Raytheon's GPS OCX program lead, told Inside the Air Force in a Jan. 27 interview that the program will begin the last phase of dry-run testing in February for the GPS OCX launch and checkout system, which will lead into formal...