Next-generation GPS satellite inches closer to space, countdown begins to 2014 - engadget 12/14/2011 | Other
DENVER, Dec. 13, 2011 /PRNewswire via COMTEX/ -- The Lockheed Martin LMT -0.23% team developing the U.S. Air Force's next generation Global Positioning System has delivered the program's pathfinder s... 
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