This image shows technicians and engineers at Vandenberg Air Force Base in California connecting the Pegasus XL rocket with the Interface Region Imaging Spectrograph, or IRIS, solar observatory to the... more 
This image shows technicians and engineers at Vandenberg Air Force Base in California connecting the Pegasus XL rocket with the Interface Region Imaging Spectrograph, or IRIS, solar observatory to the Orbital Sciences L-1011 carrier aircraft. less 
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SPACE.com | Photo By NASA/Randy Beaudoin
Tue, Jun 25, 2013 4:41 PM EDT