The main purpose of this legislation is to enhance the capabilities of the Mexican Armed Forces to combat the threats posed by transnational criminal organizations, such as drug cartels. The goal is to improve security cooperation between the United States and Mexico, ultimately aiming to reduce crime and increase safety in both countries. Key provisions of the law include a requirement for the U.S. Secretary of Defense, in collaboration with the Secretary of State and the Mexican government, to develop a plan within 180 days of the law's enactment.