NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the panel responsible for the report were chosen for their special competences and with regard for appropriate balance.
This report has been reviewed by a group other than the authors according to procedures approved by a Report Review Committee consisting of members of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine.
The work of the Committee on Human Factors is supported by the Department of Army Contract No. DAAD05-92-C-0087 issued by the U.S. Aberdeen Proving Ground Support Activity. The views and opinions and findings contained in this report are those of the author(s) and should not be construed as an official Department of Army position, policy, or decision, unless so designated by other official documentation.
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