The purpose of this NASA Technical Standard is to provide uniform technical requirements for the design, selection, and application of hardware, software, processes, procedures, practices, and methods for human-rated systems.

NASA-STD-3001, Space Flight Human-System Standard, is a two-volume set of NASA Agency level requirements established by the Office of the Chief Health and Medical Officer (OCHMO), directed at minimizing health and performance, safety, and engineering risks for flight crews in human space flight programs. Volume 1 of NASA-STD-3001, Crew Health, sets requirements for fitness for duty, space flight permissible exposure limits, permissible outcome limits, health and medical care requirements, medical diagnosis, intervention, treatment and care, and countermeasures. Volume 2 of NASA-STD-3001, Human Factors, Habitability, and Environmental Health, focuses on human physical and cognitive capabilities and limitations and defines requirements for spacecraft (including orbiters, habitats, and suits), internal environments, ground processing, facilities, payloads, and related equipment, hardware, and software systems.

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