The Rendezvous Docking Simulator at NASA's oldest field center was constructed for what program?
Rendezvous Docking Simulator:  It was constructed for the Gemini program in Building 1244 and it became operational in June 1963 at a cost of $320,000 and later reconfigured for the Apollo program. Langley Research Center: Langley Research Center (LaRC) is the oldest of NASA's field centers, located in Hampton, Virginia, United States.
Gemini program