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KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., the two STEREO spacecraft are being prepared for installation of the solar arrays. In the foreground is spacecraft "B," sitting as it would on the rocket. Pointing to the right is the high gain antenna (HGA), which is used to get science data at high data rates back to Earth. In the background is the "A" observatory, rotated horizontally on a Ransome table so that its HGA is pointing upward. The black circle facing forward is the primary instrument Sun Earth Connection Coronal and Heliospheric Investigation (…