This document provides an overview of quality assurance and quality control processes. It defines quality assurance as process-oriented and administrative, focusing on oversight, audits and reviews. Quality control is defined as product-oriented and focuses on 100% testing, inspection and documentation to verify conformance to requirements. The roles of quality assurance is to monitor compliance on behalf of the owner and facilitate reconciliation of non-conformances, while quality control is responsible for implementing the quality system and testing per contract requirements. Safety and quality are also discussed as being closely related, with quality ensuring the safety of engineered products and processes.