As losses mounted, the carriers were removed and the 1st Air Fleet was transformed into a land based Naval aviation force forward based on islands and land masses along the perimeter of the Japanese controlled sphere.
In October 1944 Vice admiral Shigeru Fukudome moved his HQ from Taiwan to Manila.
However, most of the airplanes and pilots disappeared in November 1944 as a result of fighting against the Halsey Fleet from the front during the Philippines campaign.
The 10th Air Fleet (第十航空艦隊, Dai-Jū Kōkū Kantai) was a training unit.
The 11th Air Fleet (第十一航空艦隊, Dai-Jūichi Kōkū Kantai) was a grouping of naval aviation and surface units based in Formosa that moved through the Philippines and New Guinea then supported the Solomon Islands campaign during the Japanese advance at the start of the war.