Region
United States
China --
2
China. K'ung Chun. American Volunteer Group --
1
Japan
1
Japan --
1
Japan. Rikugan. Kantogun. Butai, Dai 731 --
1
Manchuria
1
Manchuria (China) --
1
Southern States
1
Southern States --
1
United States --
1
United States. Army Air Forces --
1
United States. Army Air Forces, Fourteenth --
1