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CAPE CANAVERAL, Fla. – The rotating radar antenna on NASA's International Space Station-RapidScat undergoes preflight testing in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida by visiting personnel from NASA's Jet Propulsion Laboratory in California. From left are RapidScat project manager John Wirth and JPL flight technician Kieran McKay. Built at JPL, the radar scatterometer is the first scientific Earth-observing instrument designed to operate from the exterior of the space station. It will measure Earth's ocean surface wind speed and direction, providi…