MIL-STD-46855 Human Engineering Requirements For Military Systems, Equipment, And FacilitiesThis standard establishes and defines the requirements for applying human engineering to the design, development, and acquisition of military systems, equipment, and facilities. These requirements include the work to be accomplished in conducting a human engineering effort integrated with the total system engineering and development effort. These requirements are the basis for including human engineering in proposals; system, equipment, software and associated user interfaces, and facility analysis, design and test; and documentation and reporting.

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MIL-STD-46855A

3. DEFINITIONS

Unless otherwise specified, terms are defined in accordance with MIL-HDBK-1908.

NOTE: MIL-HDBK-1908 defines human engineering as "The application of knowledge about human capabilities and limitations to system or equipment design and development to achieve efficient, effective, and safe system performance at minimum cost and manpower, skill, and training demands. Human engineering assures that the system or equipment design, required human tasks, and work environment are compatible with the sensory, perceptual, mental, and physical attributes of the personnel who will operate, maintain, control, and support it." Department of Defense policy documents mention "human factors engineering" but do not define the term. For the purposes of this standard, the terms "human engineering" and "human factors engineering" should be considered to be equivalent.