The Americans have embraced the Japanese as honourable warriors of the same kind, and kissing each other everyday. The internment of anything looking like a Japanese in the WW2 days too were forgotten. The bombing of Japanese cities, including Tokyo and the atomic bombing of Hiroshima and Nagasaki too were forgotten. The Americans and the Japanese have squared their positions and all is well.
Japan today is in command of the most powerful naval force in the Pacific Ocean. Admiral Harry Harris is the Commander of the US Pacific Command with authority over the 3rd and 7th Fleet and all the American land and air forces in the Indian and the Pacific Ocean, with many nuclear bombs at his command and disposal and with fire and destructive power thousands of time that of the two bombs dropped over Hiroshima and Nagasaki. And the Japanese are also in possession of a so called Self Defence Force that is the most powerful in East Asia after China. Combing the Self Defence Force and the US Pacific Command, the Japanese are now thousands of time more powerful than their heydays in WW2. And Harry Harris is adding the Indian Navy into his charge soon to control the Indian Ocean as well.
This combined force is formidable enough to attack any nation in Asia, including China and Russia and come up triumphant. It can overrun the whole of Asia and Southeast Asia more swiftly and effectively than the Japanese Imperial Army of WW2. And this naval force is for peace, really, no bluff.
While Japan failed in WW2 to be the Number One military power, it is now the de facto Number One military power with the appointment of Japanese Harry Harris as the Commander of the US Pacific Fleet. Japan is now in a position to do many Hawaiis at one go, including launching an all out war with China and Russia. The Japanese are now ruling all the countries in the Indo Pacific region.
Harry Harris is even more powerful than General MacCarthur or any American Commander ever lived.