Jan 10, 2007

Dwayne Brown Headquarters, Washington 202-358-1726

Guy Webster Jet Propulsion Laboratory, Pasadena, Calif 818-354-6278

RELEASE: 07-04

PANEL WILL STUDY MARS GLOBAL SURVEYOR EVENTS

WASHINGTON - NASA has formed an internal review board to look more indepth into why NASA's Mars Global Surveyor went silent in November 2006 and recommend any processes or procedures that could increase safety for other spacecraft

Mars Global Surveyor launched in 1996 on a mission designed to study Mars from orbit for two years It accomplished many important discoveries during nine years in orbit On Nov 2, the spacecraft transmitted information that one of its arrays was not pivoting as commanded Loss of signal from the orbiter began on the following orbit

Mars Global Surveyor has operated longer at Mars than any other spacecraft in history and for more than four times as long as the prime mission originally planned

The Jet Propulsion Laboratory, Pasadena, Calif , manages Mars Global Surveyor for the NASA Science Mission Directorate, Washington Lockheed Martin Space Systems, Denver, developed and operates the spacecraft

Information about the mission is available on the Internet at:

http://www nasa gov/mission_pages/mgs/index html

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