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VANDENBERG AIR FORCE BASE, Calif. – In the Astrotech payload processing facility on Vandenberg Air Force Base in California, technicians check the alignment of NASA's Soil Moisture Active Passive, or SMAP, spacecraft, onto a transporter for its move to the launch pad. The spacecraft is being prepared for its move to the launch pad. SMAP will launch on a United Launch Alliance Delta II 7320 configuration vehicle featuring a United Launch Alliance first stage booster powered by an Aerojet Rocketdyne RS-27A main engine and three Alliant Techsystems, or ATK, strap-on solid rocket motors. Once on station in Earth orbit, SMAP will provide global measurements of soil moisture and its freeze/thaw state. These measurements will be used to enhance understanding of processes that link the water, energy and carbon cycles, and to extend the capabilities of weather and climate prediction models. SMAP data also will be used to quantify net carbon flux in boreal landscapes and to develop improved flood prediction and drought monitoring capabilities. Launch from Space Launch Complex 2 is targeted for Jan. 29. To learn more about SMAP, visit http://www.nasa.gov/smap. Photo credit: NASA/U.S. Air Force Photo Squadron