 On February 18, 1985, the Governor of Puerto Rico, Rafael Hernández Colón, converted to law the project to Senate Number 1, officially designating the international airport under the name of Luis Muñoz Marín, in honor of the first governor of Puerto Rico elected by the people.The airport served as a hub for Pan Am, Trans Caribbean Airways, Eastern Air Lines, and for a short period a focus city for TWA.It was also the center for Puerto Rico's international airline, Prinair, from 1966 to 1984, when Prinair went bankrupt.