Report: Concerns over GPS failure

May 20, 2009 3:49:03 PM PDT
There are concerns that global positioning systems in cars and smart phones could fail.A new report by the government accountability office warns that satellites used for the global positioning system could begin to break down over the next several years as they age.

The U.S. Air Force is working to upgrade the satellite system but that it may not happen before there are service interruptions.

GPS information is provided for free by the U.S. government.