Import dogs and cats into Japan :: Official location for Japan's pet (dog/cat) import & quarantine process.
Pet travel from the U.S. to Japan :: US Department of Agriculture (USDA) Animal and Plant Health Inspection Service pet travel guidance to Japan.
Air Mobility Command (AMC) Travel :: Information about flying with pets (dogs and cats) including the Patriot Express.
Kadena AB Veterinary Activity :: Only US Veterinary Treatment Facility (VTF) on Okinawa. All on-base pets must be registered with this office. See their site or Facebook page (below) for office hours and more information.