FILE - In this Sept. 5, 2011 photo, U.S. Marines patrol with the help of a metal detector, in Sangin district, Helmand province. U.S. troops in Afghanistan have quietly achieved one small but ... more 
FILE - In this Sept. 5, 2011 photo, U.S. Marines patrol with the help of a metal detector, in Sangin district, Helmand province. U.S. troops in Afghanistan have quietly achieved one small but important victory over the past year: They are finding and avoiding more improvised explosive devices, or IEDs, than a year ago. That's thanks to a surge in training, equipment and intelligence. (AP Photo/Brennan Linsley, File) less 
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Associated Press | Photo By Brennan Linsley, File
Fri, Jul 6, 2012 1:13 PM EDT