Two briefings are scheduled Monday in NASA's continuing effort to keep the public up-to-date on the latest developments involving the investigation into the tragic accident that killed the seven-member crew of the Space Shuttle Columbia.

The first briefing is scheduled at NASA Headquarters Monday morning at 11:30 a.m. EST. A second briefing is tentatively scheduled for 4:30 p.m. EST from the NASA Johnson Space Center in Houston.

Both briefings will feature questions from reporters at participating NASA centers and will be broadcast live on NASA Television.

NASA TV is available on AMC-2, transponder 9C, C-Band, located at 85 degrees West longitude. The frequency is 3880.0 MHz. Polarization is vertical and audio is monaural at 6.8 MHz.

Additional information is available on the Internet at: http://www.nasa.gov and http://spaceflight.nasa.gov

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