04 Jul,2023 news-en 【NOTICE】2023 Joint Civil-Military Air-Raid exercise (No. 46 Wan An Exercise) Previous article: 【NOTICE】2024 Lunar New Year Holidays and Offical Winter Break:Please come to OIA before or avoid these days Prev Next article: 【NOTICE】2023 Official Summer Break-Please come to OIA before or avoid these days Next