Relation to Call of Duty 8 storyEdit
Japan is invaded in the second level of the Campaign. You play as Jack Adamson, an American, one of the last in Japan, as you try to escape the country. After Korea's takeover of Japan, the resistance is formed. Its fate is unknown, but it could be explained in Call of Duty: New World 2.
Call of Duty: EndgameEdit
Japan is a a member of the North Atlantic Treaty Organization and acts as a puppet state of the United States of America. In 2018, a civil war broke out, with the resistance being against American occupation. It was defeated.