Tuhia he tomokanga mō tēnei wāhanga - I raro i te mana tika o te Imperial General Headquarters i te tau 1937 te Combined Fleet. I te tiimata o te Pakanga o te Moananui a Kiwa me te whakaeke ki Pearl Harbor i mahia e te "Kido Butai" (1st Air Fleet) o te Combined Fleet, ko te Combined Fleet i rite tonu ki te Imperial Japanese Navy, i raro i te whakahau a te rangatira o Isoroku Yamamoto tae noa ki te Paenga-whawha 1943, i mate ia i muri i te hinganga o tana rererangi e nga ope rererangi a US i runga i te Moutere o Bougainville. Kei roto ko nga kaipuke pakanga, nga kaikawe rererangi, nga rererangi, me nga waahanga e hanga ana i te kaha whawhai nui o te IJN. I whakakaha tuatahihia i te katoa mo te Pakanga o Midway. I muri i te ngaronga nui o nga kaipuke kawe i Midway me te pakanga o nga Moutere Solomon
I te mutunga o te pakanga, i whakahoutia te kaipuke ki roto i te maha o nga "Area Fleets" mo te whakahaere whakahaere a rohe o nga rohe matawhenua rereke. I muri mai ka huri te Combined Fleet hei whakahaere whakahaere.