At the end of World War II, the Air Force began a process of modernization. This 'golden age' (roughly 1945–1955) was ushered in by the availability of foreign currency in Argentina; the abundance of now unemployed airspace engineers from Germany, Italy, and France; and the British provision of latest-generation engines and other aircraft parts. In his first term, President Juan Perón brought teams of European engineers to the FMA, nowadays the "Instituto Aerotécnico" ('Aerotechnical Institute'), or I.Ae., to push forward the aircraft technological development, totaling roughly 750 workers. This included two teams of German designers (led by Kurt Tank), and the French engineer Émile Dewoitine.