Senior NASA managers met Sunday at NASA's Kennedy Space Center for a traditional launch readiness meeting. Discussions focused on recent problems related to a liquid hydrogen low-level fuel sensor inside the external fuel tank, which prompted postponement of the Shuttle's scheduled launch on July 13. Since then, engineers have been working around-the-clock on troubleshooting the sensor system issue.

During the countdown, managers will monitor for the recurrence of the problem. If any new sensor-related issues occur, engineers would stop the countdown to reassess the situation.

During their 12-day mission to the International Space Station, Commander Eileen Collins and her six fellow astronauts will test new techniques and equipment designed to make Space Shuttles safer. They also will deliver supplies and make repairs to the Space Station.

NASA TV is carried by MPEG-2 digital signal accessed via satellite AMC-6, at 72 degrees west longitude, transponder 17C, 4040 MHz, vertical polarization. It's available in Alaska and Hawaii in analog through Return to Flight on AMC-7, at 137 degrees west longitude, Transponder 18, at 4060 MHz, vertical polarization, audio at 6.8 MHz. A digital video broadcast compliant integrated receiver decoder is required for reception. NASA TV is also available on the Internet at:

http://www.nasa.gov/ntv

For the latest information about the STS-114 mission, visit:

http://www.nasa.gov/returntoflight

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