05 19 06

Katherine Trinidad Headquarters, Washington (202) 358-3749

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

STATUS REPORT: ELV-051906

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: Solar Terrestrial Relations Observatory (STEREO) Launch Site: 17-B, Cape Canaveral Air Force Station, Fla Launch Vehicle: Boeing 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, upcoming 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 currently 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

For previous status reports, visit:

http://www nasa gov/centers/kennedy/launchingrockets/status/2006

STEREO will use "3D" vision to build a global picture of the sun and the heliosphere and study the sun's influence on Earth For more information, visit:

http://www nasa gov/stereo

For information about NASA and agency programs, visit:

http://www nasa gov/home

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