Risk Risk of Injury and Compromised Performance Due to EVA Operations
Short Title: EVA Last Published:  11/23/20 11:55:09 AM (Central)
Element: Human Health Countermeasures (HHC)
Evidence:  Report
Risk Master Logic Diagram:  Diagram
Point of Contact:  Jason Norcross
HRP Risk Status: Active [current research ongoing]
Risk Ratings and Dispositions per Design Reference Mission (DRM) Category
DRM CategoriesMission
OperationsLong-Term Health
LxCRisk Disposition *LxCRisk Disposition *
Low Earth Orbit6 months3x1Accepted3x3Accepted
1 year3x1Accepted3x3Accepted
Deep Space Sortie1 month3x2Accepted/Optimize3x3Accepted/Optimize
Lunar Visit/
1 year3x3Requires Mitigation3x3Requires Mitigation
Deep Space
1 year3x2Accepted/Optimize3x3Accepted/Optimize
Planetary3 years3x3Requires Mitigation2x4Requires Mitigation
Note: LxC is the likelihood and consequence rating. The information above was last approved by the Human System Risk Board in 9/2016.
Risk Statement
Given the high-performance physiological and functional demands of operating in a self-contained EVA or training suit in various gravity fields and system environments, there is a possibility that crew injury and compromised physiological and functional performance may occur.
Gaps (3)