Naval Air Station Keflavik of the airport was assumed by Military Air Transport Service (MATS). MATS re-established a military air terminal and refueling point for trans-Atlantic air service between the United States and Europe at Keflavik. MATS (later MAC and Air Mobility Command) units remained at the airport until the withdrawal of United States military units from Iceland in 2006. During 1947–51, while the base was operated by a US civilian contractor company most of the World War II temporary structures were left empty and became badly deteriorated. The airfield complex, one of the largest in the world during the war, also required upgrading
Nauru International Airport Airlines. Also located at the airport are the Republic of Nauru Civil Aviation Authority, tasked with airport security and operational management; the Directorate of Immigration, tasked with control of incoming and outgoing passengers, and the Nauru Customs Service. Nauru International Airport serves as the main hub of the national carrier, Nauru Airlines. Nauru International Airport Nauru International Airport is the sole airport in the Republic of Nauru. The airport currently connects the country to eight international passenger destinations, all served by Nauru's national airline, Nauru Airlines. The airstrip was built during the World War II Japanese occupation of Nauru using