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August 14, 1998

John McNamee
Mars Surveyor 98 Project Manager

Mars Climate Orbiter:

Orbiter integration and test activities continue to proceed on schedule. The repaired optical chopper assembly for the Pressure Modulator InfraRed Radiometer (PMIRR) has been reinstalled on the instrument and is operating nominally on the orbiter. The orbiter pre-ship review was conducted successfully on August 14 and the spacecraft will be shipped to Kennedy Space Center on September 10 as scheduled.

Mars Polar Lander:

The flight entry, descent, and landing sequence ran successfully during lander mission system testing. The lander is on schedule to begin cruise thermal vacuum testing on September 3. The lander pre-ship review is planned for September 15.

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