Original: The direct precursor to the United States Air Force, its peak size was over 2.4 million men and women in service and nearly 80,000 aircraft in 1944, and 783 domestic bases in December 1943.
Simplified: At its peak strength in 1944, the USAAF had over 2.4 million men and women in service, nearly 80,000 aircraft and 783 permanent bases, and operated from more than 2,000 airfields worldwide.