This article provides an overview of metal additive manufacturing (AM) and its applications in industries such as aerospace, defense, and healthcare. It discusses the challenges faced in achieving consistent mechanical properties of metal parts and explores the process of building reliable components using additive manufacturing. The focus is on the additive manufacturing of titanium alloys, including their properties, microstructures, and experimental results. The article also highlights the two main methods of additive manufacturing for metals: powder bed fusion processes and direct laser deposition.