This legislation, titled the "Supporting Military Families Exposed to Toxic Substances Act," aims to expand healthcare access through the Department of Veterans Affairs (VA) to a broader group of individuals. It specifically targets family members and other individuals who resided at, worked at, or were in utero while their mother resided or worked at locations where the Secretary has established a presumption of service-connection for certain illnesses or conditions for veterans. To be eligible, these individuals must demonstrate exposure to the same conditions that qualify veterans for such presumptions, receiving hospital care and medical services for a covered illness or condition . The provision of this healthcare is subject to the availability of funds provided in advance through appropriations acts. Furthermore, care cannot be furnished if an illness is found to have resulted from a cause other than the time spent at the specified toxic exposure location. Individuals or their providers must first exhaust all available claims and remedies against third parties, including health-plan contracts, before VA care can be provided. The bill also requires the Secretary of Veterans Affairs to submit annual reports to Congress detailing the number of individuals receiving care, the illnesses treated, and the outcomes of applications for such services.