The Saab Gripen, first flown in 1988, entered service with the Swedish Air Force in June 1996. It represents one of the most advanced fighters in production today, and follows a distinctive line of Swedish jets including the Viggen and Draken. The Gripen is now raising particular interest in enthusiasts, as the program has become a joint SAABBAe Systems venture, and sales have now been made to the air forces of South Africa, and more recently to Hungary and the Czech Republic, with prospects of further sales including Poland.