These were responsible for attacking Japanese airfields and transportation arteries on Kyushu and Southern Honshu (e.g. the Kanmon Tunnel) and for gaining and maintaining air superiority over the beaches.
FEAF ditugaskan untuk menyerang lapangan-lapangan udara Jepang dan jalur transportasi di Kyushu dan Honshu (misalnya Terowongan Kanmon), serta merebut dan mempertahankan supremasi udara Amerika Serikat di atas pantai-pantai Jepang.