Short Title: IVD Last Published:  07/26/16 01:46:19 PM (Central)
Element: Human Health Countermeasures (HHC)
Evidence:  Report
Risk Master Logic Diagram:  Not Available
Point of Contact:  Jean Sibonga
Risk Ratings and Dispositions per Design Reference Mission (DRM) Category
DRM CategoriesMission
Duration
OperationsLong-Term Health
LxCRisk Disposition *LxCRisk Disposition *
Low Earth Orbit6 monthsNot ApplicableNot ApplicableNot ApplicableNot Applicable
1 yearNot ApplicableNot ApplicableNot ApplicableNot Applicable
Deep Space Sortie1 monthNot ApplicableNot ApplicableNot ApplicableNot Applicable
Lunar Visit/
Habitation
1 yearNot ApplicableNot ApplicableNot ApplicableNot Applicable
Deep Space
Journey/Habitation
1 yearNot ApplicableNot ApplicableNot ApplicableNot Applicable
Planetary3 yearsNot ApplicableNot ApplicableNot ApplicableNot Applicable
Note: LxC is the likelihood and consequence rating. Concerns (versus risks) do not yet have sufficient evidence to support an LxC assessment and Risk Disposition.
Risk Statement
Concern Statement:
Given the morphological and possible biochemical changes in the IVD (intervertebral disc) during mechanical unloading in space, there is the possibility of IVD damage upon and immediately after re-exposure to gravity (1/6, 3/8 or 1G).
Gaps (1)