The balance of power in the Indo-Pacific may depend on something as basic as concrete. As China fortifies its military airfields and expands the capabilities of the People’s Liberation Army Rocket Force, a new report highlights vulnerabilities in U.S. defenses that could shape future conflicts.
The Hudson Institute, a nonpartisan think tank founded to prepare the U.S. for future military challenges, released the report, titled “Concrete Sky: Air Base Hardening in the Western Pacific.” It details China’s extensive investments in airfield fortifications, which include doubling the number of hardened aircraft shelters over the past decade. China now has more than 3,000 shelters at 134 air bases near the Taiwan Strait.
China has also added 20 runways and over 40 runway-length taxiways, while increasing its total ramp area by almost 75%. According to the report, the amount of concrete used for these upgrades could pave a four-lane interstate highway from Washington, D.C., to Chicago.
In contrast, U.S. efforts in the region have been limited, with only a few shelters, and minimal new infrastructure added. Analysts at the Hudson Institute warn that this leaves U.S. airfields highly vulnerable to missile strikes. This is particularly concerning given Chinese military doctrine, which emphasizes surprise attacks to neutralize air power on the ground.
The People’s Liberation Army Rocket Force has precision-guided missiles capable of targeting U.S. bases across the Indo-Pacific, from Guam to Okinawa. The report highlights that as few as 10 missiles could disable critical assets at Iwakuni, a key Marine Corps air station in Japan.
To mitigate these vulnerabilities, the report recommended strengthening airfield resilience by building hardened aircraft shelters, adding redundant fuel systems, and improving rapid runway repair capabilities. The Hudson Institute also emphasizes the need for long-range aircraft and autonomous systems that rely less on traditional airfield infrastructure.