Taiwan to launch production of Teng Yun MALE UAV Monday, 1 January 2018 Army, Asian, News, War At the year end press conference for Taiwan’s National Chung-Shan Institute of Science and Technology, President Tsai Ing-wen announced that the Teng Yun medium-altitude long-endurance UAV (MALE UAV) is ready for production. Tweet Subscribe to receive free email updates: