technology validated in relevant environment (industrially TRL 5. relevant environment in the case of key enabling technologies) technology demonstrated in relevant environment (industrially TRL 6. relevant environment in the case of key enabling technologies) TRL 7. system prototype demonstration in operational environment TRL 8. system complete and qualified actual system proven in operational environment (competitive TRL 9. manufacturing in the case of key enabling technologies; or in space)
TRL 5. technology validated in relevant environment (industrially relevant environment in the case of key enabling technologies) TRL 6. technology demonstrated in relevant environment (industrially relevant environment in the case of key enabling technologies) TRL 7. system prototype demonstration in operational environment TRL 8. system complete and qualified TRL 9. actual system proven in operational environment (competitive manufacturing in the case of key enabling technologies; or in space)