 Subsequently, part of the base was taken over by the city for use as San Marcos Airport, while another part was reopened in 1966 as the Gary Job Corps Center.In the 1960s, with the establishment of Aquarena Springs and Wonder World as attractions, the tourist industry became a growing part of the city's economy.By the 1960s, what was then named Southwest Texas State University had grown into an important regional institution, and when coupled with the creation of Gary Job Corps Training Center in 1965, education became the largest industry in San Marcos.