Core Viewpoint - The Ministry of National Defense emphasizes that Taiwan is an integral part of China and rejects the notion of a "median line" in the Taiwan Strait, asserting that recent adjustments to air routes are routine and beneficial for cross-strait relations [1] Group 1: Cross-Strait Relations - The establishment and activation of the M503 air route is described as a regular operation by relevant authorities aimed at civil aviation development, which is beneficial for both sides of the Taiwan Strait [1] - The Ministry criticizes the Democratic Progressive Party (DPP) for using the air route adjustments to create a narrative of military threat from the mainland, suggesting that this is an attempt to incite fear and increase tensions [1] Group 2: Political Context - The current tensions in cross-strait relations are attributed to the DPP's collusion with external forces and their ongoing provocations for independence [1] - The Ministry calls on the Taiwanese public to recognize the dangers of the DPP's independence agenda and to oppose separatist actions in order to maintain peace and stability in the Taiwan Strait [1]