In the fast-paced world of aerospace and military technologies, cutting-edge electronic systems play a pivotal role in ensuring safety, efficiency, and mission success. Among the critical components driving innovation in these fields are printed circuit boards (PCBs). PCBs are the backbone of electronic devices, providing a platform for connecting and supporting various electronic components. In this article, we will explore the significance of PCBs in aerospace and military applications, shedding light on their unique requirements and designs.