try Shiro Ishii, from the ville of Kama, Chiba Prefecture. it looks like he employed all the second, third and forth sons of his fathers neighbors. the ballons would be under the U.S. Western Defence Command in " Lightning Project " . the main camps Ishii used were Harbin, Hogoin, and Pingfan China. his main cohorts were Tomio Karasawa, and Kiyoshi Ota. the germ bombs were made of clay, porcelain, and glass. these were dropped by the Heibo 8372 Field Aviation Unit.

try reading the book " Clouds of Secrecy. " by Leonard Cole. let me know what you think of it.