ION GNSS+ 2014: Lockheed Martin

October 1, 2014  - By
Image: GPS World

The U.S. Air Force’s fleet of GPS Block IIR and IIR-M satellites, manufactured by Lockheed Martin, have reached 200 collective years of operational life. Chip Eschenfelder of Lockheed Martin displays a model of one of the GPS IIR’s at the company’s booth at the ION GNSS+ Conference September 9-12 in Tampa, Florida.