 Although the training station closed, the Navy maintained presence with the stationary receiving ship USS "Boston" (1884), later renamed USS "Despatch" (IX-2) (1940), anchored in harbor through World War II.During World War II, Yerba Buena Island fell under the jurisdiction of Treasure Island Naval Station, main headquarters of the 12th Naval District inside Building One.Built on the shoals of Yerba Buena Island, the 403-acre (163 ha) Treasure Island was a Works Progress Administration project in the 1930s.