By Bryan Bender, Globe Staff
WASHINGTON _ Rep. John Tierney today released a government report that he said raises questions about the integrity and accuracy of the GPS system, urging the Department of Defense, which originally developed the satellite navigation system, to shore up its aging infrastructure.
"The reliability of GPS impacts everyone from our military and civilian government agencies to our first responders and taxi drivers," the Salem Democrat, who chairs the National Security Oversight Subcommittee, said in a statement.
The report, by the Government Accountability Office, was requested by Tierney, whose committee has held hearings on the outdated GPS system.
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Glen Johnson is Politics Editor at boston.com and lead blogger for "Political Intelligence." He moved to Massachusetts in the fourth grade, and has covered local, state, and national politics for over 25 years. E-mail him at email@example.com. Follow him on Twitter @globeglen.