developed for civil aviation. Before WAAS, the U.S. National Airspace System (NAS) did not have the potential to provide horizontal and vertical navigation for approach operations for all users at all locations. With WAAS, this capability is a reality ... WAAS provides service for all classes of aircraft in all phases of flight - including en route navigation" From an FAA news release in Aug 2000: "WASHINGTON, DC -- After a successful 21-day stability test of the Wide Area Augmentation System (WAAS) signal in space, the U.S. Department of Transportation's Federal Aviation Administration (FAA) declared that it is now available for some aviation and all non-aviation uses ... The system demonstrated one to two meters horizontal accuracy and two to three meters vertical accuracy throughout the contiguous United States ... Raytheon will operate the system for the FAA on a continuous basis" From a 1995 news release: "The Honeywell team participated in Boeing's Category III-b flight test evaluation program in July and August of 1995. NASA supplied the 757 aircraft and flight test facility. Boeing supplied the pilots, ground crew, maintenance, flight test personnel and performed the aircraft modifications for the flight tests. The flight tests were accomplished at NASA's Wallops Island, Virginia, flight test facility. A total of 75 Category III-b automatic landings were accomplished during this phase of flight testing. The autopilot used the DGPS to guide the aircraft to a landing and ... performance data of these flight tests showed that the Honeywell DGPS landing system achieved