To hunt for Jim Gray, the Coast Guard teamed up with some of the biggest companies in Silicon Valley. They used commercial satellites, high-altitude NASA planes, radar networks, and ocean current simulators.
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Coast Guard search First the USCG search-and-rescue unit scoured more than 132,000 square miles of the Pacific with boats and aircraft equipped with thermal-imaging radar.
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Satellite search Then Gray's friends mobilized satellites and a reconnaissance plane to fly over the heart of the search zone. The images were uploaded to Amazon's Mechanical Turk for analysis.
| Was this Jim Gray? More than 12,000 online volunteers examined 560,000 image sets for signs of Gray's boat. The tile above showing 620,000 square feet of ocean was tagged for further examination and rated as "highly likely" by a team of experienced analysts.
<p><graphic by Bryan Christie</em
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<a h
ide the High Tech Hunt for a Missing Silicon Valley Legend</a>h
tomy of an Accident</a>
