The son of Japanese immigrants, Staff Sergeant Kawamoto was fluent in Japanese and after training was assigned to military intelligence for the 37th Infantry Division and deployed to the Pacific Theater. His parents were assigned to Utah's Topaz Mountain Internment camp for the duration of the war.
During his deployment, Staff Sergeant Kawamoto's duties were code decryption and as an interpreter of documents and prisoners. His language skills helped direct necessary reinforcements to vulnerable areas on more than one occasion.
He was given an early discharge to help his parents return home from the camps.
Staff Sergeant Kawamoto remained in government service following the war, working as an interpreter for the Military Tribunals of 1946-48 and then through the State Department (including interpreting one of President John F. Kennedy's speeches), as well as the working with the Bureau of Cultural Affairs. Staff Sergeant Kawamoto was also appointed to the US Embassy in Tokyo from 1975-1979.
He retired to the D.C. area and became one of the founders of the Ekoji Buddhist Temple in Fairfax Station Virginia. Dying on February 8, 2019.
The Library of Congress has established a Veteran's History Project which has been collecting video interviews with many of our veterans. Staff Sergeant Yukio Kawamoto's is here.