Defense Acquisition Guidebook

The Defense Acquisition Guidebook (DAG) is a comprehensive resource that provides established best practices and processes for acquiring defense systems and technology. It guides the U.S. Department of Defense and related agencies through planning, development, procurement, and management of military equipment and services. The DAG helps ensure that projects are executed efficiently, within budget, and meet operational needs by outlining steps, roles, and standards for successful acquisition programs. Essentially, it serves as a practical manual to manage complex defense acquisitions effectively and consistently.