This legislation amends the Homeland Security Act of 2002 to broaden the permissible uses of certain federal financial assistance. The bill's core purpose is to enable the Secretary of Homeland Security to approve funding for enhanced vehicle safety measures. Specifically, it authorizes the use of financial aid for vehicle security enhancement upgrades , which encompasses the installation of critical protective features such as bulletproof windows . This provision aims to improve the safety and protection of personnel utilizing these vehicles.