This is a Request for Information (RFI) and Sources Sought notice only, not a solicitation, issued by the VA to research the market for a potential future single-award IDIQ contract. The contract would be for providing a wide range of radiopharmaceuticals and related services to the VA Phoenix and Tucson Healthcare Systems in Arizona. The performance of services would specifically occur at the medical centers located at 650 E Indian School Road, Phoenix, AZ 85012 and 3601 S 6th Avenue, Tucson, AZ 85723. The notice seeks capability statements and business size information relative to NAICS 325412. Responses are highly encouraged for planning purposes and must be submitted via email by a specified deadline.