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 into the country, the others being J. F. Mitchell Airport in Bequia, Canouan Airport, Mustique Airport and Union Island Airport all in the Grenadines. Argyle International Airport serves as a major gateway to the Grenadines, with several airlines operating an extensive network of direct domestic flights from AIA to all destinations in the Grenadines. The airport is the second solar-powered airport in the Caribbean, following V. C. Bird International Airport in Antigua. The approach and landing, from a southwesterly direction, offer the flying passengers a spectacular aerial view of the hills of Brighton, Diamond and Stubbs as well as Milligan