The military of the Taiwan island said in a news release on Monday evening that five warplanes of the Chinese People's Liberation Army (PLA) entered the aerial area southwest of the island the same day. One of the five planes is a refueling variant of the Y-20 large transport aircraft. This is the first time this type of plane has appeared in the aerial area near Taiwan island, and this has caused a new sensation. PLA warplanes also entered the aerial area southeast of Taiwan on Sunday. ...