U.S. Marines with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, share Japanese tea with Military Police of the 43rd Infantry Regiment, 8th Division, Western Army, Japanese Ground Self Defense Force, aboard the Kirishima Training Area, Miyazaki Prefecture, Japan during a meet and greet session prior to the beginning of the bilateral exercise Forest Light, Dec. 6. Marines and Sailors with the 31st MEU are currently conducting the annual Forest Light exercise, which is vital to maintaining combat readiness, interoperability and good-will between the armed forces of the U.S. and Japan. - U.S. Marines with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, share Japanese tea with Military Police of the 43rd Infantry Regiment, 8th Division, Western Army, Japanese Ground Self Defense Force, aboard the Kirishima Training Area, Miyazaki Prefecture, Japan during a meet and greet session prior to the beginning of the bilateral exercise Forest Light, Dec. 6. Marines and Sailors with the 31st MEU are currently conducting the annual Forest Light exercise, which is vital to maintaining combat readiness, interoperability and good-will between the armed forces of the U.S. and Japan.