442nd Regiment

The 442nd Regiment was an entirely Japanese-American regiment in the US Military, established in March of 1943, about a year and a half after the attacks on Pearl Harbor. It was formed of volunteers from both Hawaii and American mainland. These Japanese-Americans were known as "Nisei," however, the two origins of the men ended up clashing a lot and the Hawaiians felt disrespected by the mainland group. A lot of the men had family members living in internment camps, and may have been recruited/volunteered out of one.

In May of 1944, they were deployed in Europe, where they joined the 100th Infantry Battalion in Italy. From there, they ended up fighting in eight major campaigns and were part of the rescue mission of the Lost Battalion. The unit's catch phrase became "Go for Broke," and a film with the same title was made about the regiment.

This regiment is most famous for being the most decorated unit in the US Military. With just over 13,000 soldiers who would serve in it, there were 9,486 Purple Hearts earned, and over 18,000 awards total. However, it was not with many great losses. Around 650 men died, 3,700 were injured, and 67 were deemed missing in action.

Sources:
https://en.wikipedia.org/wiki/442nd_Infantry_Regiment_(United_States)
https://encyclopedia.densho.org/442nd_Regimental_Combat_Team/
https://www.armytimes.com/news/your-army/2019/04/05/this-japanese-american-army-unit-is-the-reason-we-celebrate-national-go-for-broke-day/
https://www.history.com/news/unlikely-world-war-ii-soldiers-awarded-nations-highest-honor