By Jonathan G. Lee   Kazuo Fred Yamaguchi is a Japanese-American veteran who served in the U.S. Army during World War II. However, he never served in the 442nd Infantry Regiment, the all Japanese-American fighting unit which famously became the most decorated military unit in U.S. history. Yamaguchi was among the 1,000 Nisei who were … Continue reading America’s Secret Weapon Against Japan: Nisei Linguists