Launch Begins Modernization Of The GPS Constellation
At approximately 12,550 miles up... turn left. You have arrived at a new era for the Global Positioning System (GPS). A major milestone in the U.S. Air Force's plan to bring new technology and capabilities to the GPS constellation, the first Lockheed Martin-built GPS III satellite began "talking" with engineers and operators from ground control, as planned, following its successful launch last Sunday.