The U.S. Air Force is conducting market research to identify potential sources for the spares procurement of a liquid transmitter, with performance expected at Tinker AFB, Oklahoma. This is not a solicitation, and no contract will be awarded based on this research. Interested parties must be capable of new manufacture, including component procurement, inspection, testing, and shipping. The estimated requirement is for 7 units, with unit prices to be established at contract award. All business types, including small and disadvantaged firms, are encouraged to respond.