The US Army's 442nd Infantry Regiment is the most decorated unit in the history of American warfare. It was also comprised almost entirely of second generation Japanese-Americans. 
 In this photo, they're posing with a captured German flag; Italy, 1945. 

Happy group posing

Soldiers of the 442nd Regimental Combat Team (made up of "Nisei" Japanese-Americans and Caucasian Officers) man a Bazooka near the town of St. Die, France in the Vosges Mountains. This unit was one of the most highly decorated American units of WWII: November 17, 1944. 

Bazooka outpost

German soldiers surrender to US 9th Infantry Division troops in the port city of Cherbourg, north-western France; 1944. 