The Cuban military air forces were established on July 5, 1913 as the Air Corps of the Cuban Army (Cuerpo de Aviacion del Ejercito de Cuba). Cuba entered WWI on the side of the allies and Le Esquadrille Cubaine was organized in 1917 and flew in France.
Cuba entered WWII by declaring war against Japan December 8th, 1941 and Germany and Italy on the 11th. The primary theater was the Battle of the Caribbean and the anti-submarine war. The Cuban Air Force was strengthened with US aircraft and flew patrols.
The Cuban Air Force (FAC) wing of WWII is strongly US in style, with both early, highly detailed wings and later, streamlined "pelican beak" styles. These were replace in 1959 with the establishment of the Cuban Revolutionary Air Force (FACR)