Abstract There are numerous procurement projects in the Department of Defense that have been effectively run and have shown to be advantageous over time. The procurement process is not limited to the act of purchasing; it also includes activities like requirement, planning, evaluation of requisitions, solicitation, creation of contracts, acceptance, reception, and payment of deliveries. The goal of program management is to enhance an organization's performance by overseeing multiple connected projects. To better manage American investments in programs and technology necessary to accomplish the National Security policy, which aims to increase America's security, the Department of Defense built the Defense Acquisition System. The Department of Defense may implement these tactics to aid the armed forces of the United States. Every program can benefit from the work of its assigned program manager, whose job it is to oversee and plan the system's development, production, and initial deployment. The Department of Defense submits its annual budgets for the procurement of goods and services, which are approved by Congress after passing through the Executive branch. The Department of military uses the military acquisition system as its management tool to develop and purchase weapons and other equipment. One of America's major programs was the