The main purpose of this legislation is to modify the boundaries of the Dayton Aviation Heritage National Historical Park. Specifically, it aims to include an additional acre of land in Dayton, Ohio, which is intended to enhance the park's historical significance and preserve its aviation heritage. Key provisions of this legislation include the formal adjustment of the park's boundaries to incorporate the newly designated acre of land. This addition is based on a specific map that outlines the proposed changes, ensuring clarity about the exact area being included in the park.