Group 1 - The article discusses the recent comments made by the spokesperson of the Ministry of National Defense, Zhang Xiaogang, regarding the U.S. plans to develop the "Iron Dome" missile defense system, which is expected to be completed in the next three years. The spokesperson criticizes this move as an expansion of military capabilities in outer space, which could lead to an arms race and destabilize international security [2]. - Zhang Xiaogang emphasizes that Taiwan is an integral part of China and that the resolution of the Taiwan issue is a matter for the Chinese people, rejecting any foreign interference. He states that the main challenges in the Taiwan Strait come from separatist provocations and external interference, asserting that China's actions to defend its sovereignty are legitimate and necessary [2].