A classified Pentagon report, dubbed "the Overmatch brief," indicates that the United States military is outmatched by China and would likely be defeated in a conflict.The brief details China's capacity to destroy American aircraft, ships, and satellites, with one Biden administration official expressing surprise at China's countermeasures for every US strategy.The assessment highlights critical shortcomings, such as the US running out of missiles within a week, contrasting with previous commitments to defend Taiwan.