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This artist rendering shows an aerial view of the liftoff of NASA’s Space Launch System (SLS) rocket.
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Human Spaceflight and Aviation Standards

The Human Spaceflight and Aviation Standards Team continuously works with subject matter experts and with each space flight program to provide the best technical requirements and implementation documentation to support the development of new programs.

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OCHMO Human Spaceflight Standards Newsletter September 2024

The OCHMO Standards team generates newsletters to inform the community on changes to requirements and to solicit input on future needs.

Recent updates from the team include updates to the OCHMO-STD-100.1 NASA Medical Selection, Recertification, and Mission Medical Evaluation Standards, additions to the Technical Brief Library, and current independent assessments that this is facilitating.

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human spaceflight standard newsletter, OCHMO
Human Spaceflight Standard Newsletter 2024
Featured Story

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

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

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Latest Standard Update

NASA Space Flight Medical Selection, Recertification and Mission Evaluation Standards

OCHMO-STD-100.1, Revision A

OCHMO-STD-100.1 is published by NASA to provide uniform medical requirements for astronaut selection, recertification and medical mission evaluations for low earth orbit missions.

Revision A provides updates to the medical selection criteria and added the mission medical evaluations for low earth missions.

Learn More about NASA Space Flight Medical Selection, Recertification and Mission Evaluation Standards
ESA astronaut Alexander Gerst uses the fundoscope during an exam for the Ocular Health study to characterize the risk of SANS to crew members assigned to six-month flights. The data collected mirrored Medical Requirements Integration Document (MRID) requirements and testing performed during annual medical exams, with a focus on monitoring in-flight visual changes and post-flight recovery.
ESA astronaut Alexander Gerst uses the fundoscope during an exam for the Ocular Health study to characterize the risk of SANS to crew members assigned to six-month flights. The data collected mirrored Medical Requirements Integration Document (MRID) requirements and testing performed during annual medical exams, with a focus on monitoring in-flight visual changes and post-flight recovery.

Technical Briefs

Human Physiology and Behavioral Health

Crew health and performance are critical to successful human space exploration. This section contains briefs describing the effects of spaceflight on human physiology and behavioral health and provides some of the knowledge base, technologies, and countermeasure strategies that permit safe and successful human spaceflight.

View Briefs
NASA astronaut Sunita Williams exercises
ISS032-E-011701 (4 Aug. 2012) — NASA astronaut Sunita Williams, Expedition 32 flight engineer, equipped with a bungee harness, exercises on the Combined Operational Load Bearing External Resistance Treadmill (COLBERT) in the Tranquility node of the International Space Station.
Featured Story

Hydrogen Sulfide Independent Assessment

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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