Taiwan Begins Han Kuang 42 Drills With Civilian Readiness Tests
Taiwan began its 10-day Han Kuang 42 live-fire field exercise on Wednesday, August 5, combining military operations with tests of industrial continuity, communications and civilian preparedness. The field exercise is scheduled to run through August 14.
The official scenario assumes that routine Chinese joint military exercises could conceal preparations for a large-scale attack. Taiwan’s Ministry of National Defense presents that as an exercise assumption, not evidence that an invasion is imminent or scheduled.
The distinctive feature of Han Kuang 42 is its focus beyond battlefield maneuvers. Taiwan is testing whether its defense system and civilian institutions could continue operating if factories, ports, supply networks, communications and local infrastructure came under attack.
Military operations and industrial continuity
The military exercise includes readiness deployment, force protection, counter-landing operations, depth defense and sustained operations. The phases are designed to test how Taiwan would maintain defensive operations over time rather than respond only to an initial assault.
The exercise also tests procedures for relocating and evacuating the Armaments Bureau’s 202nd Plant and private-sector facilities responsible for whole-system weapons assembly. The drills test those procedures; they do not mean that weapons production has already been moved or that civilian factories have already been converted.
The industrial focus reflects a central vulnerability in any prolonged conflict: defense production depends on facilities, workers, electricity, transportation, components and communications that could be disrupted at the same time. Taiwan is therefore treating manufacturing continuity as part of military readiness.
Mobilizing supplies and protecting sea routes
A related Tzu Chiang material-mobilization exercise will test the use of purchase orders, requisition orders and production-conversion orders. Taiwan’s All-out Defense Mobilization Agency says the procedures are intended to measure the country’s ability to mobilize military supplies, move equipment, expand industrial conversion and support repair operations.
The Han Kuang plan also calls for coordinated navy and coast guard operations to protect maritime supply routes and escort critical supplies. Reuters reported the maritime scenario in the context of increased Chinese coast guard activity, but that context is not proof of a coordinated blockade plan.
Air-defense drills for civilians
Separate 2026 Urban Resilience air-defense drills are scheduled for August 7 and August 10-13 across southern, central, offshore-island, eastern and northern regions. A 30-minute drill in each area will include warnings, evacuation and sheltering, traffic control and disaster rescue.
Residents in exercise areas may receive air-raid alerts and instructions through government, broadcast and public-safety channels. Taiwan’s All-out Defense Mobilization Agency says government agencies, schools, businesses, factories, transport stations and individuals must comply with the exercise’s control measures. Local governments may impose fines of NT$30,000 to NT$150,000 for violations under the cited civil-defense rules.
Mobile-data slowdown will be tested in 14 jurisdictions
The National Communications Commission will separately simulate degraded mobile communications in 14 central and northern jurisdictions. Focus Taiwan reported that the exercise is expected to affect about 17 million people, or roughly 73 percent of Taiwan’s population, based on an official briefing.
The test is scheduled for seven central jurisdictions — Miaoli County, Taichung, Changhua County, Nantou County, Yunlin County, Chiayi County and Chiayi City — from 2:30 to 3 p.m. on August 10. It is scheduled for seven northern jurisdictions — Taipei, New Taipei, Keelung, Taoyuan, Hsinchu County, Hsinchu City and Yilan County — from 2:30 to 3 p.m. on August 13.
The exercise will deliberately slow mobile data to simulate congestion and emergency traffic management. It is not a complete network shutdown, and the planned test does not establish how voice calls, text messages or mobile data would perform during a real attack. Southern Taiwan is excluded from this specific communications test; the official explanation reported by Focus Taiwan was concern about disruption to stock-market operations.
Residents in affected areas should save maps, shelter information and important contact details before the scheduled drills. The broader purpose of Han Kuang 42 is to measure whether factories, supply chains, ports, communications networks and local governments can keep functioning under pressure.
The exercise is a preparedness test, not an announcement that war has begun. Its broader message is that Taiwan’s defense planning increasingly treats civilian and industrial resilience as part of national security.
Sources
- Taiwan Ministry of National Defense — Han Kuang 42 and 2026 Urban Resilience exercise plan
- Taiwan All-out Defense Mobilization Agency — 2026 Urban Resilience (Air Defense) Exercises
- Reuters — Taiwan drills to test relocating arms production under Chinese attack
- Focus Taiwan — Taiwan to test relocation of weapons production in annual war games
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