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April 3, 1998

John McNamee
Mars Surveyor 98 Project Manager

Orbiter and lander integration and test activities are proceeding on schedule with no significant problems. The orbiter spacecraft was moved to the thermal vacuum chamber at Lockheed Martin on April 3. The chamber will be pumped down beginning on April 13 for approximately 2 weeks of orbiter thermal vacuum testing. The lander spacecraft in full cruise configuration is in the acoustics lab at Lockheed and acoustic testing will begin on April 6.

A mechanical pre-closeout walkaround of the orbiter spacecraft was conducted by independent experts on March 27. No major items were discovered. Ten minor items were noted as requiring a second look.

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