▁Air ▁Fle et ▁included ▁six ▁fleet ▁carri ers : ▁Ak agi , ▁K aga , ▁S ō ry ū , ▁H iry ū , ▁Sh ō k aku , ▁and ▁Zu ik aku , ▁and ▁two ▁light ▁carri ers : ▁Ry ū j ō ▁and ▁Kas uga ▁Mar u ▁( l ater ▁renamed ▁Tai y ō ), ▁as ▁shown ▁in ▁the ▁table ▁below . ▁ ▁On ▁ 1 4 ▁July ▁ 1 9 4 2 , ▁First ▁Air ▁Fle et ▁was ▁converted ▁into ▁Third ▁Fle et ▁( 第 三 <0xE8> <0x89> <0xA6> 隊 ) ▁and ▁E ighth ▁Fle et ▁( 第 八 <0xE8> <0x89> <0xA6> 隊 ), ▁and ▁ 2 nd ▁Car rier ▁Division ▁( first ▁generation ) ▁and ▁ 5 th ▁Car rier ▁Division ▁were ▁dis band ed . ▁On ▁the ▁same ▁date , ▁the ▁Japanese ▁Navy ' s ▁front - line ▁aircraft ▁carri ers ▁and ▁their ▁aircraft ▁units ▁came ▁under ▁the ▁command ▁of ▁the ▁ 3 rd ▁Fle et , ▁which ▁was ▁created ▁in ▁its ▁sixth ▁generation ▁on ▁that ▁date . ▁ ▁Kid ō ▁But ai ▁The ▁Kid ō ▁But ai ▁( 機 動 部 隊 , ▁" Mobile ▁Unit / For ce ") ▁was ▁the ▁Com b ined ▁Fle et ' s ▁tact ical ▁design ation ▁for ▁its ▁combined ▁car rier ▁battle ▁groups . ▁ ▁The ▁title ▁was ▁used ▁as ▁a ▁term ▁of ▁convenience ; ▁it ▁was ▁not ▁a ▁formal ▁name ▁for ▁the ▁organization . ▁ ▁It ▁consisted ▁of ▁Japan ' s ▁six ▁largest ▁carri ers , ▁carrying ▁the ▁