The document provides an overview of the FY 2019 budget request for US Department of Defense acquisition programs totaling $236.7 billion. It is organized by mission area categories including Aircraft and Related Systems at $55.2 billion, Command, Control, Communications, Computers, and Intelligence (C4I) Systems at $10 billion, and Ground Systems at $15.9 billion. The budget request is comprised of $92.3 billion for Major Defense Acquisition Programs and $144.4 billion for non-Major Programs.