The United States is advancing a joint defensive program with Taiwan known as the "Hellscape" strategy, aimed at strengthening the island's ability to resist a potential attack, Taiwan News reported.
The concept calls for deploying large numbers of drones — a mix of aerial, surface and underwater systems — coordinated with artificial intelligence. The program was developed under President Joe Biden's administration with an emphasis on versatility and simplicity.
The scale: four million drones
According to the reports, planners estimate roughly four million (4,000,000) drones would be required. That figure is based on lessons drawn from recent conflicts in the Middle East and Ukraine: the idea is that overwhelming numbers and variety would exhaust an invading force's stocks and inflict significant losses.
Planners do not expect the system to completely stop one of the world's most powerful militaries, but they believe it could slow an assault and buy time for external assistance to arrive. The program also includes multiple, differing tactics to preserve strike capability in the face of adversary jamming and electronic warfare.
Artificial intelligence and target prioritization
Artificial intelligence would be used to prioritize targets and select tactics for particular threats. Combining air, surface and subsurface drones and favoring simple, scalable platforms are intended to enable rapid production and mass deployment.
Political risks: Trump–Xi meeting could affect continuation
The program's future is uncertain because of political factors. The report notes that Donald Trump’s stance could jeopardize continuation: the Republican president is expected to meet Xi Jinping in the near future, and their discussions could include reducing or even halting the program.
Previous talks have shown the White House treats U.S. arms sales to Taiwan as a bargaining chip. In response, the Taiwan government has been taking steps to bolster domestic defense-industrial capabilities so the island is less dependent on the outcomes of political negotiations.
Why it matters
The "Hellscape" plan highlights a new aspect of great-power competition where mass-produced, low-cost and automated systems can play a strategic role. If implemented, the concept could change the cost dynamics and timelines of responding to an invasion — yet its feasibility and longevity will depend heavily on political decisions.



