The Columbia Accident Investigation Board (CAIB) will hold a press briefing on Tuesday, April 1 at 1 p.m. CST (2 p.m. EST) at the Lunar and Planetary Institute 3600 Bay Area Boulevard, Houston, Texas.

Board Chairman Hal Gehman will be joined by a board member from each of the CAIB’s three working groups to provide an update about the ongoing investigation.

Members of the working press with the appropriate credentials are welcome to attend.

NBC News will provide the network pool coverage and a satellite feed. The satellite coordinates are: Satellite SBS6 12G; Downlink: 12012.25 vertical; Sim rate: 4.232; Frequency: 5/6; and 2 paths digital. The pool contact is Don Smith, 469-855-6397 (cell.)