International Organization for Standardization (ISO)
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ISO 16290:2013
Scope
This International Standard defines Technology Readiness Levels (TRLs). It is applicable primarily to space system hardware, although the definitions could be used in a wider domain in many cases.
The definition of the TRLs provides the conditions to be met at each level, enabling accurate TRL assessment
ISO 16290:2013 history
2013ISO 16290:2013 Space systems.Definition of the Technology Readiness Levels (TRLs) and their criteria of assessment