Duty / PE pre-booked: ID, orders as above, passports as required, pets/bags at check-in.
Space-A: DoDI 4515.13 eligibility, FCG/visa/passport rules, sign-up confirmation.
Japan (page, as of 9 July 2023 FCG quote): regular blue tourist passport required to fly to Japan on leave. U.S. military on leave returning to their Japan unit may travel on military ID and travel orders.
Keep your boarding pass when traveling to Kadena on Space-A — it is required to clear Japanese immigration.
Non-SOFA (including retirees and Japanese passport holders): process immigration at the off-base Immigration Bureau, not only at the AMC counter. See Advice to Passengers and the live page.
100% DAV (excluding retirees): if your DoD ID does not show “Retired,” travel is limited IAW DoDI 4515.13 Table 3 to CONUS–CONUS only and will be denied out of Kadena.
Footwear: no open-toed, open-heeled, or high-heeled shoes on AMC flights except Patriot Express.
Dependents: USID for dependents 14+; under 14 travel with sponsor/eligible parent plus government-issued ID.
Kadena Customs / SOFA stamp (18 SFS) — live page: Bldg 3409; DSN 315-634-2217; NCOIC Customs DSN 634-2304; email 18SFS.S3.CUSTOMS@us.af.mil; hours 8:30 a.m. to 5:30 p.m. Monday–Friday. (Aug 2025 Wayback still said 8 a.m.–8 p.m. daily and a different 18SFS.S3OQ mailbox — live page wins.)