CANBERRA, AUSTRALIA and LAS VEGAS, NV--(Marketwired - Aug 1, 2016) - The U.S. Air Force (USAF) 746th Test Squadron has declared Initial Operational Capability (IOC) for its new truth reference, the Ultra High-Accuracy Reference System (UHARS). Even when GPS is being completely jammed, UHARS provides extremely accurate positioning, navigation and time (PNT) over the large area of White Sands Missile Range (WSMR) in New Mexico that the system was designed to cover.