First Lockheed Martin-Built GPS Satellite Marks 10 Years in Service

he first U.S. Air Force Global Positioning System Block IIR (GPS IIR) satellite, built by a team led by Lockheed Martin , has surpassed its 10-year design life of on-orbit service, providing the U.S. military and civil users world-wide with highly accurate navigation capabilities since 1997. More

(Source: CNNMoney.com - Jul 24)