On October 21, the spokesperson of the Eastern Theater Command, Senior Commander Li Xi, said that on October 20, the US destroyer "Higgins" and the Canadian frigate "Vancouver" passed through the Taiwan Strait and publicly hyped it up. The Eastern Theater of the Chinese People's Liberation Army organized naval and air forces to follow the US and Canada throughout the voyage and deal with it in accordance with laws and regulations. The actions of the US and Canada nuisance and disrupt peace and stability across the Taiwan Strait. The troops in the theater remain on high alert at all times and resolutely safeguard national sovereignty and security and regional peace and stability.