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
Argyle International Airport replaced the much smaller E.T. Joshua Airport as St. Vincent and the Grenadines principal airport. During the construction of the new airport, the International Airport Development Company (IADC) faced numerous challenges and controversies, causing major delays in the construction process. This resulted in the airport being completed 5 years after the originally forecasted completion date. Federal Aviation Administration (FAA) conducts the International Aviation Safety Assessment Program (IASA), assessing the Civil Aviation Authority (CAA) of each country that has carriers operating to the United States and has classified Argyle International Airport, which operates under the jurisdiction of the Eastern Caribbean Civil