Technology Readiness Levels (TRLs) are a technology
management tool that provides a measurement to assess the maturity
of evolving technology. The Ministry of Defence defines these
|Basic principles observed and reported.
|Technology concept and/or application formulated.
|Analytical and experimental critical function and/or characteristic proof-of-concept.
|Technology basic validation in a laboratory environment.
|Technology basic validation in a relevant environment.
|Technology model or prototype demonstration in a relevant environment.
|Technology prototype demonstration in an operational environment.
|Actual Technology completed and qualified through test and demonstration.
|Actual Technology qualified through successful mission operations.