there were no U.S. ground combat units, for the U.S. effort in China had always been intended by the War Department to help the Chinese defend themselves, to which end the War Department and the Joint Chiefs had been willing to give advice plus technical and air support. Moreover, since every American flown into China meant that .62 of a ton of supplies had to be flown to China every month for his support, Stilwell had kept the number of U.S. ground force and service personnel in China to a minimum, hence there were few indeed in that category.