Last updated on April 16, 2014 at 17:34 EDT
Preparing for Launch
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Preparing for Launch

July 22, 2013
Inside the Launch Vehicle Data Center at Vandenberg Air Force Base in California, mission managers participate in a pre-launch dress rehearsal for NASA's Interface Region Imaging Spectrograph, or IRIS, solar observatory. Image credit: NASA/Daniel Casper June 19, 2013