Following the start of World War II, Mihara was imprisoned at the age of 9 along with over 120,000 Japanese Americans to move to concentration camps by President Franklin D. Roosevelt's Executive Order 9066. His family was moved to Heart Mountain, a prison camp located in a remote area of Wyoming, where they were imprisoned for three years. At the camp, his family was forced to live in a 20 square foot room.
While at UCLA, Mihara was hired by the Douglas Aircraft Company in Santa Monica which was the start of a 42-year career at the company. While at Douglas, he served in various roles including as staff director for the Delta II rocket program. He continued to work for the company after its acquisition by Boeing eventually becoming a key executive for the company.
History educator and writing career
Since he started speaking about the incarceration, over 95,000 people have heard his presentations in person. His work has been self-funded and by various grants.
He is the author of Blindsided: The Life and Times of Sam Mihara, an autobiography which describes his family's experience with Japanese American incarceration.
Awards
Mihara has received a number of awards for his work documenting the incarceration. In 2022, he received the Japanese American of the Biennium Award for Education and Humanities from the Japanese American Citizens League. In 2023, he was the winner of the Salem Award for Human Rights and Social Justice from Voices Against Injustice at The House of the Seven Gables.
He is a member of the board of the Heart Mountain Wyoming Foundation.