Before the Korean War, the primary mission of Lt. Gen. George E. Stratemeyer's Far East Air Forces was air defense of the Japanese homeland. Most of the aircraft constituting Stratemeyer's inventory were interceptors, not designed for the type of combat that would be required now that the United States was joining in the UN effort to end the war in Korea. The Joint Army/USAAF doctrine of 1946, known as Field Manual 31-35, Air Ground Operations, was also considered outdated in the present circumstance. A new approach to warfighting had to be developed in response to the strong influence of...