This opportunity involves vendors undergoing the RTS SDA process to help the FAA assess industry depth, costs, and production capacity. The FAA intends to purchase up to 50 RTS units over a five-year period, contingent on proposal outcomes. Vendors must design, manufacture, deliver, install, and sustain RTS for deployment within the National Airspace System (NAS). No specific budget amounts or performance location are mentioned in the description. The summary excludes solicitation numbers, bid dates, and submission deadlines as instructed.