Manufacturers of complex products like aircraft and satellites must achieve perfect quality to meet customer specifications. This requires navigating dynamic production, quality, and supply chain issues while meeting regulations. Achieving perfect quality today requires Quality 4.0, which captures more data using advanced technologies to identify issues early. Quality 4.0 takes a data-driven approach to quality throughout the production process to transform work and minimize defects. When properly deployed, it delivers cultural change by more deeply integrating quality into product design, engineering, and manufacturing.