The main purpose of this legislation is to improve healthcare access for veterans living in U.S. territories and possessions. It allows the Secretary of Veterans Affairs to assign physicians to serve as traveling doctors in these areas, ensuring that veterans receive necessary medical care. Key provisions of the legislation include the authority for the Secretary of Veterans Affairs to assign physicians for up to one year to provide healthcare in specific locations such as American Samoa, Guam, Puerto Rico, and the U.S. Virgin Islands.