This is a market research notice from the Naval Air Systems Command (NAVAIR) seeking potential sources, particularly small businesses, capable of providing a TACAN Shore Based Antenna that interfaces with the AN/URN-32. The requirement includes procuring 2 test units and has an option for four production years with an estimated maximum of 5 units per year. The estimated period of performance is five years. Interested parties must submit a capabilities statement package by the specified deadline. The notice is for planning purposes only and does not constitute a commitment to issue a solicitation or award a contract.