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Photos: Army designates year's best inventions

July 5, 2008 8:00 AM PDT
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Excalibur rounds improve upon the accuracy of conventional 155mm artillery shells through the use of data from GPS (Global Positioning System) satellites and automatic updates of the navigation system. Grid coordinates are programmed into the round via the Enhanced Portable Inductive Artillery Fuse Setter.

Photo by U.S. Army

Caption by Jonathan Skillings

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