Louis, I also joined Secretary Arne Duncan and Missouri Governor Jay Nixon at Carnahan High School of the Future to participate in the Great Central U.S. ShakeOut--the largest-ever, multi-state earthquake drill to be held in the United States, and the first major drill to take place along the New Madrid Seismic Zone, which was the site of one of the worst earthquakes in U.S. history nearly 200 years ago.

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It is using its mast-mounted colour cameras and laser spectrometer, together with its arm-held "hand lens" camera and X-ray spectrometer, to try to find the best drill candidate.

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