Work started on a passenger terminal at the Long Thanh International Airport project in southern Dong Nai Province and the T3 passenger terminal at Tan Son Nhat International Airport in neighboring Ho Chi Minh City on Thursday afternoon. The projects to develop Long Thanh International Airport and expand Tan Son Nhat International Airport are key national projects which are important to the development of the local aviation sector, the southern key economic zone and the whole country. Long Thanh International Airport, once completed, will be the largest airport in the nation with an annual capacity of 100 million passengers and five million metric tons of cargo. Vehicles serving the construction of the passenger terminal at Long Thanh International Airport. Tan Son Nhat International Airport currently has two terminals, with the T1 terminal serving domestic flights and the T2 terminal handling international flights.