July 9, 2013 Northrop Grumman to Offer Improved GPS-Challenged Navigation and Geo-Registration Solution for U.S. Air Force By GPS World Staff
March 28, 2013 Parkinson Presentation at Smithsonian Now Online, Exhibit Opens April 12 By GPS World Staff
January 23, 2013 Exelis Wins Air Force Contract to Research Low-Cost GPS Alternatives By GPS World Staff
September 1, 2010 Early Days: The very first GPS brochure ever published, accompanied by a memoir of those times. By GPS World Staff