For the vast majority of travelers, a standard (fee) passport is all that is required to enter Japan. However, a "No-Fee" or "Special Issuance" passport is a specific document issued to U.S. government employees, military members, and their dependents who are traveling on official government orders (such as a PCS move to a base like Yokota or Kadena). In 2026, if you are an active-duty military member traveling under the Status of Forces Agreement (SOFA), you can enter Japan with just your military ID and travel orders, but your dependents and civilian employees MUST have a No-Fee passport to enter the country legally. It is important to note that a No-Fee passport cannot be used for personal leisure travel; if a military family member wants to take a vacation to a neighboring country like South Korea or Thailand while stationed in Japan, they must also maintain a regular "Blue" tourist passport. For a standard tourist, the term "no fee" does not apply, as you must pay the standard application fee for your passport.