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Office of the Chief Health and Medical Officer (OCHMO)

OCHMO Independent Assessments
1 min read

Independent assessment plays a crucial role in NASA’s long-term success by addressing essential questions requiring rapid response to support further…

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Hydrogen Sulfide Independent Assessment
3 min read

NASA’s Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide Spacecraft…

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NASA Spaceflight Human System Standard Volume 1
2 min read

NASA-STD-3001 Volume 1 covers the requirements needed to support astronaut health and provide medical care while Volume 2 covers human-related…

Encyclopedic Reference
4.0 Human Performance
26 min read

NASA-STD-3001 Home 1.0 Scope 2.0 Applicable Documents 3.0 Health and Medical… More 4.0 Human Performance 5.0 Training 6.0 Medical Operations…

Encyclopedic Reference
OCHMO-MTB-002 Waivered Health Conditions
21 min read

 NASA astronaut applicants undergo a thorough medical examination and screening process prior to being selected as astronauts. During the initial…

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Assessment of PFO as Related to DCS in the Spaceflight Environment and During Ground Testing
6 min read

In June 2024, the NASA Office of the Chief Health and Medical Officer (OCHMO) Standards Team hosted an independent assessment…

Article
Mars Audio Log #11
43 min read

The CHAPEA crew checks in on their eleventh month in a Mars simulated habitat, and a NASA expert discusses the…

Aerospace Medical Certification Standard
1 min read

This NASA Technical Standard provides medical requirements and clinical procedures designed to ensure crew health and safety and occupational longevity…

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Decompression Sickness Prebreathe Reference Library
1 min read

The following literature provides background and reference data related to Standards for decompression sickness, prebreathe protocols, probability models, EVA operations,…

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