Shanghai Pudong International Airport is a major international airport serving Shanghai, China. Construction of its first phase began in October 1997, and it officially opened on October 1, 1999. The airport is operated by Shanghai Airport Authority. It primarily handles international flights and a smaller number of domestic flights. The airport functions as a hub for China Eastern Airlines, Shanghai Airlines, Air China, China Southern Airlines, Juneyao Air, Spring Airlines, FedEx, UPS, and DHL. The DHL hub, established in July 2012, is noted as the largest express hub in Asia. The airport has two main passenger terminals and a satellite terminal, along with four operational parallel runways. A third passenger terminal and two additional runways are under construction, aiming to increase annual capacity. No military units are stated to be stationed at this airport, nor is there any mention of military operations or usage.