The U.S. military is shooting robots to make better Marines

They're not the kind of thing you might expect to see on a battlefield, but a four-wheeled robot recently tested by the U.S. Marines could help make better soldiers.

The robots are a replacement for the paper targets typically used on military firing ranges and will trundle out from behind walls and buildings to provide a more realistic training environment.

They look a little goofy -- something like the upper half of a mannequin grafted onto a piece of construction machinery -- but...

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