Taiwan Strait Tensions Rise as China Drills and Taiwan Bolsters Defenses

Tensions are escalating in the Taiwan Strait, with China conducting large-scale military exercises simulating a blockade of Taiwan, while the self-ruled island simultaneously moves to significantly increase its defense spending and military readiness.

China’s People’s Liberation Army (PLA) has launched major live-fire drills encircling Taiwan, an operation it calls “Justice Mission 2025” [36695][37669]. The exercises are explicitly designed to practice a full maritime and air blockade of the island, involving the army, navy, air force, and rocket force in coordinated maneuvers [37622][37473]. Beijing stated the drills are a “stern warning” against what it labels “separatist activities” and “external interference” [36841][37473]. In a notable strategic development, China has also integrated civilian roll-on/roll-off (RO-RO) vessels into these drills, a move analysts say enhances its potential amphibious assault capacity and applies psychological pressure [9634].

In direct response, Taiwan has activated its own naval, air, and land forces to monitor and counter the exercises [36695][37417]. Concurrently, Taiwan’s government is pushing forward with a substantial boost to its defense capabilities. Officials have proposed a major increase in the annual defense budget, marking the largest rise in over a decade, with a focus on modernizing its armed forces and ensuring long-term ammunition supply [17940][46522]. The strategy, often described as a “porcupine” doctrine, aims to make the island a difficult target by investing in asymmetric weapons like mobile missile systems and by extending military service [21715][17940].

A key priority for Taiwan is strengthening its air and missile defense networks to protect critical infrastructure, most notably its globally vital semiconductor industry [3581]. Further solidifying its posture, Taiwan announced a major upgrade to its coast guard, reorganizing it into a “second navy” capable of supporting the military in defending the coastline during a conflict [37417].

The heightened military activity has drawn international attention. The United States has urged restraint and reiterated calls for peaceful dialogue [37669]. Regionally, Japan has begun briefing residents on Yonaguni Island, located just 110 kilometers from Taiwan, on plans to deploy additional air defense assets, highlighting broader security concerns [18960].

China claims Taiwan as part of its territory and has never renounced the use of force to achieve unification. Taiwan’s government rejects this claim, maintaining that only its people can decide their future [36841][37622]. The simultaneous military moves by both sides represent a significant spike in friction, underscoring the persistent risk of miscalculation in one of the world’s most volatile flashpoints.