Stephen L. McFarland, A Concise History of the U.S. Air Force… (1997)
“ USAAF airmen of the Fifth, Seventh, Thirteenth, and Twentieth Air Forces helped American soldiers and seamen achieve a stunning Allied triumph in World War II's Asian theaters. Facing the vastness of the Pacific, they fought grueling and costly island-hopping battles to gain forward bases from which they could launch aerial attacks against a seemingly implacable enemy, and time and again they sought out jungle-shrouded coastal and mountain strongholds, airfields, and well-armed, heavily escorted ship convoys. ”
