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Katherine Trinidad
Headquarters, Washington
(202) 358-3749

George Diller
Kennedy Space Center, Fla.
(321) 867-2468

May 19, 2006
NASA Expendable Launch Vehicle Status Report: E06-015
Mission: Solar Terrestrial Relations Observatory (STEREO)
Launch Pad: 17-B, Cape Canaveral Air Force Station, Fla.
Launch Vehicle: Delta II
Launch Date: July 22, 2006
Launch Times: 3:11 – 3:13 p.m. and 4:19 – 4:34 p.m. EDT

Technicians are testing individual STEREO systems on both the "A" and "B" spacecraft. The flight battery for spacecraft A was installed this week. Technicians are expected to install the battery for spacecraft B next week. In addition to testing, work planned over the next few weeks includes solar array installation and integration of the high-gain communications antenna.

The build-up of the Delta II rocket at Pad 17-B is scheduled to begin on June 1 with the first stage. Pad workers will start to erect the nine solid rocket boosters on June 2. The second stage will be hoisted into position and mated to the first stage on June 20. The crew will raise the 10-foot fairing into the pad clean room on June 21.

STEREO will build a three-dimensional, global picture of the sun and study the sun's influence on Earth. For more information, visit:

For previous status reports, visit:

For information about NASA and agency programs, visit:


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