Ubon Ratchathani Airport is near the city of Ubon Ratchathani, in Ubon Ratchathani Province, Northeastern Thailand. It currently serves as both a commercial airport and as a Royal Thai Air Force base.Commercial historyAfter the Vietnam War the facility became an international civilian airport, with direct flights to Vietnam. These flights proved unprofitable, and while the international signage is still in place, only domestic flights have operated for a number of years.Military useEstablished in the 1950s as a Royal Thai Air Force base, it was used by the United States Air Force and the Royal Australian Air Force during the Vietnam War.The airport is currently an active Royal Thai Air Force base, the home of 2nd Air Division/21st Wing Air Combat Command. The 211sq Eagles fly Northrup F-5E/F Tiger II fighter aircraft.