At Vandenberg Air Force Base's Astrotech processing facility in California, NASA's Wide-field Infrared Survey Explorer, or WISE, spacecraft is being lifted from a work stand. (Photo: NASA/JPL-Caltech)

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At Vandenberg Air Force Base's Astrotech processing facility in California, NASA's Wide-field Infrared Survey Explorer, or WISE, spacecraft is lowered toward the flight conical adapter and test stand. (Photo: NASA/JPL-Caltech)

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Workers check the WISE spacecraft as it is lowered onto a work stand. (Photo: NASA/JPL-Caltech)

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The WISE sspacecraft is situated on a work stand. At left on the spacecraft is the fixed panel solar array. In front, the square is the HGA Slotted Array (Ku-Band). (Photo: NASA)

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The WISE spacecraft spacecraft sits on the test stand after connection to the conical adapter. (Photo: NASA)

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A view of the flexure springs in the soft ride being mated to the payload attach fitting for NASA's Wide-field Infrared Survey Explorer, or WISE, spacecraft. (Photo: NASA)

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The full flight system all assembled. The payload is attached to the spacecraft bus, plus the solar panel and antennae are also attached.
(Photo: NASA)

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The WISE spacecraft is cooled down for the last time. Shown here freezing hydrogen in the cryostat.
(Photo: NASA)

The WISE spacecraft is cooled down for the last time. Shown here freezing hydrogen in the cryostat.
(Photo: NASA)