Taiwan's T-Dome Plan Faces China's Military Scale, Rising Costs and Political Gridlock

A NT$1.25 Trillion Plan Meets a Much Larger Threat

Taiwan's proposed T-Dome missile shield faces a challenge bigger than connecting radars and buying interceptors: protecting an island against a Chinese military able to combine missiles, drones, electronic attacks and pressure on essential supplies. As of February 6, 2026, President William Lai's plan remains caught between an ambitious defense program and disputes over its cost, design and approval.

Lai announced the Taiwan Dome, known as T-Dome, during Taiwan's National Day celebrations in October 2025. His administration has proposed a special defense budget of NT$1.25 trillion, approximately US$40 billion, over eight years, alongside a goal of raising defense spending to 5 percent of gross domestic product by 2030. GDP measures the value of goods and services produced in an economy.

The special budget would support more than the missile shield. It would also pay for capabilities including drone production, mobile missile systems and naval mines. T-Dome itself is intended to bring several layers of air defense into a coordinated network, drawing inspiration from Israel's Iron Dome and the United States' proposed Golden Dome.

Beijing has refused to renounce military force to achieve reunification. The People's Liberation Army, or PLA, is expanding capabilities that include advanced stealth aircraft, aircraft carriers and a large missile arsenal. Those developments, together with deteriorating relations across the Taiwan Strait, form the backdrop to Taipei's most ambitious attempt yet to build a comprehensive missile shield.

Military specialists have questioned whether the proposed network could withstand the scale and variety of a Chinese campaign. Their concerns extend from interceptor supplies and vulnerable communications to the electricity needed to keep defenses operating during a blockade.

How the Proposed Shield Would Work

Lai's vision combines artificial intelligence with Taiwan's existing air defense architecture. Defense Minister Wellington Koo has described the intended arrangement as a "sensor-to-shooter" network: radar and other detection systems would pass information directly to missile batteries, reducing the time between spotting a threat and responding.

A layered defense uses different weapons for different threats and distances. A system intended to intercept a ballistic missile follows different demands from one protecting a nearby position against a low flying drone. Linking those systems is meant to help commanders select an appropriate weapon quickly and coordinate responses across the island.

An analysis in the Chinese military magazine Ordnance Industry Science Technology argued that T-Dome has fundamental structural weaknesses against PLA capabilities. It suggested the network would probably center on American Patriot PAC-2 and PAC-3 systems, Taiwan's Tien Kung II through IV interceptors, and National Advanced Surface-to-Air Missile Systems, known as NASAMS.

Avenger systems and Stinger missiles would supplement those weapons for defense at low altitudes. The proposed mix provides several kinds of protection, but the Chinese analysis questioned whether they could achieve the coordination needed against a combined PLA campaign.

Chinese Foreign Ministry spokesperson Guo Jiakun attacked Lai's defense initiatives as dangerously provocative. His criticism presented Taiwan's preparations as part of a push for independence:

He peddles the separatist fallacy of Taiwan independence. This once again exposes his stubborn nature as a troublemaker, creator of danger and a war-maker.

Why Israel Offers an Incomplete Comparison

Israel's Iron Dome is one part of a larger air and missile defense network. It is designed principally to intercept short range projectiles used by armed groups such as Hamas and Hezbollah, with Tamir interceptors costing approximately US$50,000 each.

Israel uses Arrow 2 and Arrow 3 systems against threats at longer ranges. David's Sling fills a gap between those systems and Iron Dome, engaging threats including short range ballistic missiles and cruise missiles. A ballistic missile follows an arcing flight path, while a cruise missile flies through the atmosphere toward its target.

Taiwan faces a different opponent. The PLA is one of the world's largest and most advanced militaries, with capabilities extending far beyond the armed groups that Iron Dome typically confronts. A shield designed for Taiwan would have to account for coordinated attacks using several kinds of weapons, alongside operations against its communications and command systems.

Israel's experience also shows the pressure that concentrated attacks can place on a sophisticated network. During Iranian attacks in 2025, the Israel Defense Forces reported an interception rate of 86 percent, below the usual rate of more than 90 percent, amid saturation attacks involving large numbers of drones, cruise missiles and ballistic missiles.

Israel needed help from the United States, United Kingdom, France and Jordan during intense Iranian strikes in April 2024. That experience matters for Taiwan because the effectiveness of a missile shield depends on the number and timing of incoming threats, available ammunition and assistance from other countries.

Missile Salvos and Decoys Could Stretch Defenses

The PLA has the capacity to combine missile and drone salvos at a scale that could overwhelm systems protecting individual sites. Saturation means sending enough threats at once to exceed the number a defense network can track, engage or intercept within the available time.

Military intelligence assessments suggest an opening phase of conflict could involve decoys intended to overload air defense assets, followed by precision strikes against selected targets. Decoys add to the number of objects defenders must assess and can draw attention and ammunition away from the weapons that follow.

China's arsenal extends beyond Dongfeng ballistic missiles. Its rocket artillery includes Weishi multiple rocket launcher systems capable of delivering large volumes of fire against Taiwanese positions. That breadth of weapons would require defenders to manage several types of threat rather than concentrate on a single category of incoming missile.

T-Dome's coordination would therefore have to work under intense pressure. Radars, command centers and missile batteries would need to share information quickly while deciding which threats to engage and conserving enough ammunition to continue defending after the opening attacks.

AI Warfare Threatens the Network Behind the Missiles

PLA doctrine stresses "intelligentization," meaning the use of artificial intelligence in distributed sensing and rapid decision making. Rather than relying entirely on information flowing through a single command point, distributed sensing gathers information from multiple platforms and locations.

Research from institutions linked to the PLA indicates work on lethal autonomous drone swarms for urban combat. These systems use algorithms that allow drones to organize themselves when communications are disrupted. The research describes "find and kill" missions against key leaders, with drones continuing to operate when jammed or disconnected from command networks.

Autonomous swarms present a different problem from weapons following predictable ballistic trajectories. Drones able to change priorities without human intervention could force defenders to reassess targets repeatedly, adding demands to an already busy command network.

China's military AI investments were projected at between US$84 billion and US$98 billion in 2025. Alongside its cyber and electronic warfare capabilities, that investment points to a threat aimed at the digital systems supporting Taiwan's proposed shield, including the software used to process information and guide decisions.

Cyber operations target computers and networks, while electronic warfare can disrupt radar or communications through electromagnetic signals. T-Dome depends on its components staying connected, so attacks on those connections could weaken coordination even when individual missile batteries remain available.

A Blockade Could Exhaust Missiles and Electricity

Taiwan's geography creates another difficulty: replacing ammunition during a blockade. An island under military pressure would face severe obstacles to bringing in fresh interceptors once its stocks were depleted.

An analysis by the Foundation for the Defense of Democracies estimated that a blockade by the People's Republic of China would exhaust Taiwan's liquefied natural gas reserves within eleven days. It also projected that electricity production would fall to 20 percent of capacity by the eighth week.

Those estimates connect military endurance to civilian infrastructure. Electricity supports communications, industrial activity and the wider economy needed to sustain prolonged defense operations. Missile batteries would be part of a much larger struggle to keep essential systems functioning.

T-Dome's effectiveness would consequently depend on ammunition reserves and the ability to maintain operations under disrupted conditions. A network that responds quickly at the beginning of a conflict would still need supplies, power and working communications as the fighting continued.

The Cost Extends Beyond Buying Interceptors

Israel's annual defense budget stands at US$33.7 billion, compared with Taiwan's current allocation of US$18.9 billion. Taiwan's proposed special budget is substantial, but it must serve several defense priorities rather than fund the missile shield alone.

Interceptor prices also vary widely. Iron Dome's Tamir missile costs approximately US$50,000, while the Stunner missile used by David's Sling costs roughly US$1 million. Israel expended an estimated US$1 billion in defensive munitions during the April 2024 Iranian attack alone, illustrating how quickly a major engagement can consume expensive ammunition.

Lai's administration also aims to raise drone production capacity to 15,000 units a month by 2028. Meeting that target requires a substantial reorientation of supply chains away from Chinese components, alongside spending on mobile missiles and naval mine inventories.

Maintenance, personnel training and continuing software updates would add to procurement costs. Taiwan would need to keep adapting its defenses as PLA capabilities changed, making T-Dome a continuing financial commitment rather than a single purchase.

Technical integration would also take time. Making different weapons, radar arrays and command systems work together requires extensive testing. Israel spent years refining the integration of comparable defense architectures.

Taiwan faces questions about whether its personnel have the skills needed to operate a complex integrated network under combat conditions. A coordinated attack could place demands on air, maritime, cyber and space operations simultaneously, while disrupting the information needed to manage them.

A Divided Legislature Slows the Plan

Lai's Democratic Progressive Party holds 51 of the Legislative Yuan's 113 seats. Without a parliamentary majority, the administration depends on a legislature in which opposition parties can block budget measures.

Opposition lawmakers have argued that T-Dome lacks sufficient detail about its technical requirements and operational parameters. Critics also warn that allocating too much money to the shield could require cuts to education, social welfare and other government functions.

Recall campaigns targeting 31 Kuomintang legislators are described as underway, with the DPP anticipating possible seat changes that could alter the balance in parliament. Until such changes occur, the special defense budget remains caught in procedural delays.

PLA exercises around Taiwan continue while lawmakers debate funding. Recent activity includes operations by the Liaoning aircraft carrier in the East China Sea, adding to the military pressure surrounding the proposal.

Taiwan's Coast Guard Administration has also described continuing incidents involving illegal border crossings as possible cognitive warfare operations. Cognitive warfare seeks to influence perceptions and confidence, in this case potentially weakening public trust in coastal defenses.

The Coast Guard has requested more funding for surveillance networks using AI to detect small craft. It says rubber dinghies carrying possible infiltrators are almost impossible to detect with conventional radar. Incidents coinciding with politically important dates, including the anniversary of Lai's inauguration, suggest coordinated attempts to test Taiwan's readiness.

Mobile Forces Offer Another Route to Survival

Defense specialists have argued for greater attention to survivability, dispersed forces and sustained resistance. The approach commonly called the "porcupine strategy" seeks to make an invasion prohibitively costly instead of trying to match China's military size.

Former Taiwanese Chief of General Staff Lee Hsi-min described the doctrine through the use of:

a large number of small things

His description refers to inexpensive, mobile systems that can survive attacks while imposing high costs on an opponent's assets. Spreading such weapons across many locations can help forces continue operating after individual positions are struck.

Taiwan's 2025 National Defense Report sets priorities consistent with that approach, including mobile batteries for attacking ships and defending against aircraft, alongside large scale drone procurement. Koo has indicated that Taiwan will eliminate outdated units and replace them with drone units in 2026, transforming tank and artillery battalions into formations using unmanned systems.

Large, fixed air defense batteries can become valuable targets for opening PLA strikes. Distributed and mobile forces offer a different form of endurance, allowing surviving units to continue fighting after attacks on other positions.

Specialists advocating this approach favor integration, sustainability and affordable capabilities that complicate PLA operations across several domains. Their argument also puts political agreement and institutional readiness at the center of preparations for a prolonged, intense conflict.

Protecting Civilians and Keeping Services Running

T-Dome includes hardened shelters and evacuation protocols as well as missile interception. Those measures address Taiwan's dense urban populations and concentrated infrastructure, where protecting people also requires places to shelter and plans for moving them away from danger.

The "Whole-of-Society Defense" concept spreads resilience across civilian infrastructure. Its purpose includes maintaining government, communications and medical services under sustained attack.

Civilian preparedness could be more decisive than interception rates in determining how long Taiwan can endure a conflict. A military shield can reduce damage from incoming weapons, while shelters, functioning hospitals and reliable communications help society cope with attacks that reach their targets.

The emphasis on civilian continuity also connects with the blockade estimates. Taiwan's ability to resist would depend on keeping essential services running while energy supplies, transport and military resupply came under pressure.

Regional Tensions and the Milestones Ahead

Beijing has criticized the United States' Golden Dome proposal while expanding its own military capabilities in space. President Xi Jinping has warned that American missile defense initiatives pose serious strategic challenges, suggesting that China views Taiwanese defensive upgrades as part of a broader containment architecture.

The situation reflects a security dilemma: one side builds defenses to feel safer, while the other responds with weapons or tactics intended to overcome them. The PLA may accelerate work on hypersonic glide vehicles, electronic warfare systems and missiles that home in on radar emissions to penetrate layered defenses.

Beijing is also intensifying diplomatic pressure on regional partners supporting Taiwan's defense initiatives, presenting Taipei's preparations as provocations driven by foreign influence. Those reactions risk speeding up military competition across the Taiwan Strait.

Washington's position adds another layer. Bipartisan congressional support for Taiwan's defense appears in legislation such as the PORCUPINE Act and the Taiwan Assurance Implementation Act. American strategic planning nevertheless reflects the complexity of defending Taiwan against a determined PLA campaign.

T-Dome is Taipei's attempt to demonstrate greater self reliance. Its success would depend on integration with wider regional defense arrangements and on the deterrent effect of possible American intervention, alongside Taiwan's own ability to keep forces and civilian services operating.

The main dates connecting the proposal, its comparisons and planned changes are:

• April 2024: Israel received help from the United States, United Kingdom, France and Jordan against Iranian strikes and used an estimated US$1 billion in defensive munitions.
• 2025: The Israel Defense Forces reported an 86 percent interception rate during Iranian attacks, and Taiwan's National Defense Report prioritized mobile missile batteries and drones.
• October 2025: Lai announced T-Dome during Taiwan's National Day celebrations.
• 2026: Koo indicated that outdated units would be replaced with drone units, including changes to tank and artillery battalions.
• 2028: Lai's administration aims to reach drone production capacity of 15,000 units a month.
• 2030: Taiwan aims to raise defense spending to 5 percent of GDP.

As of February 6, 2026, no date has been given for legislative approval of the special budget or completion of an integrated T-Dome network. The immediate challenge is to turn the proposal into an approved, tested defense program while balancing interception, mobile forces and civilian endurance.

Quick Facts

• T-Dome was announced in October 2025, alongside a proposed special defense budget of NT$1.25 trillion, approximately US$40 billion, over eight years.
• The budget would support the shield and other capabilities, including drones, mobile missiles and naval mines.
• The proposed network would link detection systems and weapons, with anticipated components including Patriot, Tien Kung, NASAMS, Avenger and Stinger systems.
• PLA missile salvos, decoys, autonomous drones and attacks on communications could place several kinds of pressure on the shield at once.
• Taiwan's current defense allocation is US$18.9 billion, compared with Israel's US$33.7 billion annual defense budget.
• The DPP holds 51 of 113 legislative seats, leaving the administration vulnerable to opposition blocking the special budget.
• Taiwan aims to produce 15,000 drones a month by 2028 and spend 5 percent of GDP on defense by 2030.
• Mobile forces, ammunition reserves, shelters and continuity of essential services are central to Taiwan's ability to sustain resistance.