This is a Sources Sought/Notice of Contract Action for a proposed sole-source award to the University of California, Davis for rental of its cyclotron to conduct heavy ion radiation beam time testing for AFRL/RJ. The notice is for market research and information only, and no solicitation will be issued. Interested parties must demonstrate capability to provide a facility meeting the government’s requirements and clear evidence that competition would be advantageous for future procurements. The applicable NAICS code is 541380 with a $19M size standard. Performance would occur at the University of California, Davis cyclotron facility.