Tech executives landed in Taiwan for a major trade show while Chinese warships practiced sealing the island off
Global technology executives flew into Taipei this week for Computex, one of the world's largest tech industry gatherings, as Chinese naval forces mobilized outside for "Justice Mission 2025", live-fire drills designed to simulate blockading the ports those executives would use to leave [1][2]. The collision of routine commerce and rehearsed invasion exposed the contradiction at the center of the modern economy: the chips that run everything from smartphones to fighter jets are manufactured on an island that two nuclear powers treat as both indispensable and expendable.
China sealed off seven zones of ocean and airspace around Taiwan on Monday for exercises involving naval, air, ground and missile forces [2]. The exclusion zones targeted Taiwan's most important ports and military bases, positioned to establish what Chinese military planners called dominance to the east of the island, the side facing open ocean and, theoretically, resupply from American forces [2]. This was the first major operation by the People's Liberation Army around Taiwan since April [2]. The five live-fire areas formed a pattern around Taiwan's commercial and military infrastructure, not a full encirclement, but enough to demonstrate that China could close the gaps whenever it chose [2].
The timing wasn't coincidental. Days earlier, the Trump administration revealed a proposed arms sales package to Taiwan worth more than $11 billion, including HIMARS rocket systems [2]. Then Trump told Fox News that Taiwan "depends on China" and described the island as "a very good negotiating chip for us". In the same interview, he added, "I'm not looking to have somebody go independent," referring to Taiwan's potential declaration of sovereignty. The message to Beijing was clear: America would arm Taiwan but also constrain it.
Taiwan exists in a diplomatic structure designed in the 1970s to avoid exactly this situation. The United States doesn't formally recognize or maintain ties with the government in Taipei. It adheres to the "One China" policy, acknowledging Beijing's position that Taiwan is part of China, while maintaining what officials call "strategic ambiguity" about whether America would defend the island militarily. That ambiguity was supposed to deter both Chinese aggression and Taiwanese moves toward formal independence. It worked for 45 years by keeping everyone uncertain.
What it produced was a technology supply chain built on a geopolitical fiction. Taiwan manufactures the majority of the world's advanced semiconductors. Companies at Computex this week were negotiating contracts for chips that will power products launching in 2027 and 2028. Those negotiations assumed the factories would still be operating, the ports still open, the airspace still navigable. Outside the convention center, Chinese forces practiced making all three assumptions obsolete.
The mechanics of a blockade reveal why Taiwan's semiconductor dominance creates global vulnerability. The island imports 98 percent of its energy, nearly all through three major ports that China's drills specifically targeted [2]. Taiwan Strategic Industries Association estimates the island maintains fuel reserves sufficient for approximately 90 days under normal consumption. A blockade doesn't require landing troops or taking cities, it requires waiting until the island runs out of diesel to power backup generators at fabrication plants where a single power interruption can destroy months of production. TSMC's most advanced facilities in Hsinchu Science Park operate on 24-hour cycles; chips mid-process cannot be paused. The gap between when Chinese ships close shipping lanes and when the factories go dark is a matter of weeks, not months.
For the 23 million people living on Taiwan, this arithmetic is personal. The island's Strategic Grain Reserve holds rice stocks for roughly six months, but fresh food supply chains depend on daily imports. Hospitals stockpile approximately 30 days of critical medications. Taiwan's military has war reserve stocks, but civilian infrastructure, the power plants, water treatment facilities, and transportation networks that keep cities functioning, operates on commercial supply chains that assume open sea lanes. A blockade doesn't have to be perfect to be effective. It just has to be sustained long enough that the cost of resistance exceeds the cost of surrender.
Taiwan's government responded with the language of someone trying not to escalate while refusing to submit. The island's ministry stated that Taiwan "is a sovereign and independent democratic nation, and is not subordinate to the People's Republic of China". But Taiwan also said it plans to maintain the "cross-strait status quo" and will not officially declare independence from China. The position is geometrically impossible: we are independent, we will stay independent, but we will not declare the independence we already possess.
Taiwan's isolation makes that position harder to sustain. Only 12 countries maintain formal diplomatic relations with the island [2]. The rest of the world buys Taiwan's chips, uses Taiwan's technology, and refuses to acknowledge Taiwan's government. Every smartphone in the pockets of the executives at Computex this week contains components that wouldn't exist without Taiwan's foundries. None of their governments will say Taiwan is a country.
The exercises simulated blockading ports, the method for strangling Taiwan without invading it [2]. Trump's framing of Taiwan as a "negotiating chip" suggests he views the island's security as something America provides in exchange for concessions from China on trade, intellectual property, or other priorities. That logic treats Taiwan's existence as contingent, a card to be played rather than a commitment to be honored. For executives negotiating chip contracts, the implication is destabilizing: if the U.S. views Taiwan as leverage, then the factories, the ports, and the supply chain are all hostage to whatever deal Washington and Beijing eventually strike or fail to strike.
The contradiction has always been unsustainable, but it's becoming unignorable. America arms Taiwan under the 1979 Taiwan Relations Act while refusing to recognize its government. China practices invasion while Taiwan practices not provoking one. Executives fly in to make deals that assume stability no one actually expects to hold. The ships that surrounded Taiwan this week will eventually leave. The next exercise will be larger, closer, longer. And at some point, the drills won't be drills. The executives will still need the chips.