The 442nd Infantry Regiment was a segregated Japanese American unit formed in 1943 to be sent to Europe during World War II. It was the most decorated unit for its service duration and size.

The 522nd was the artillery support unit for the 442nd Regimental Combat Team in World War II. The 522nd liberated parts of the Dachau concentration camp.

The 92nd was a segregated unit featuring Black Americans during World War II.