The U.S. Marine Corps III Marine Expeditionary Force Support Battalion color guard and Japan Ground Self-Defense Force color guard members participate in the 2022 Reunion of Honor on Iwo To, Japan, Dec. 10, 2022. The Reunion of Honor is an annual ceremony that commemorates the sacrifices made by both Japanese and American service members who fought during World War II on Iwo To. - The U.S. Marine Corps III Marine Expeditionary Force Support Battalion color guard and Japan Ground Self-Defense Force color guard members participate in the 2022 Reunion of Honor on Iwo To, Japan, Dec. 10, 2022. The Reunion of Honor is an annual ceremony that commemorates the sacrifices made by both Japanese and American service members who fought during World War II on Iwo To.