Dogs outdone by electronic sensors in Afghanistan

A U.S. Marine sits with his bomb-sniffing buddy aboard a helicopter during a medevac mission in Afghanistan's Helmand province in February 2010. The dog, which had stopped performing well possibly due to stress, according to his handler, was evacuated along with a wounded Afghan civilian. (Associated Press)

A U.S. Marine sits with his bomb-sniffing buddy aboard a helicopter during a medevac mission in Afghanistan's Helmand province in February 2010. The dog, which had stopped performing well possibly due to stress, according to his handler, was evacuated along with a wounded Afghan civilian. (Associated Press)

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