China announced Monday its military is extending exercises around Taiwan as concerns mount about a potential conflict in the region. The exercises would include anti-submarine drills, which appear to target U.S. support for Taiwan should China invade the island, according to social media posts from the People’s Liberation Army. The Chinese military has said the exercises featuring missile strikes, warplanes and ship movements crossing the midline of the Taiwan Strait separating the regions were conducted because of U.S.