US airfield expansions and fortification efforts in the Western Pacific have been modest compared to China's, a new report says.US Air Force Photo by Tech. Sgt. Chris HibbenChina could destroy or neutralize US and allied airpower in a war with fewer shots than the other way around, a new report argues.China has prioritized hardening and expanding its airfields in the region at a faster rate than the US and its allies.The report's authors argue the US needs to prioritize defense, hardening airbases, and evolving its force.In a war, China could suppress or destroy critical American airpower in the Indo-Pacific region with far fewer shots than it would take the US and its allies to do the same to Beijing's air forces, a new research report argues.The report's authors note that China has been working faster than the US to harden its airbases and diversify its combat aircraft in the region, creating an imbalance in China's favor.