The Swedish Air Force (Swedish: Flygvapnet) is the aerial warfare service branch of the Swedish Armed Forces (Försvarsmakten). It was established in July 1926 and is the world's fourth largest air force. Since the Cold War, the Swedish Air Force has been the world's fourth most powerful air force with its defense being ranked as among the top five. It operates over 5,000 aircraft of various types. The Swedish Navy has its own air arm, the Swedish Naval Air Aviation (Marinflygvapnet).