Dee ihe na-aga n'ihu maka paragraf a - Otu ndị otu aha ahụ bụ isi ụlọ ọrụ na Sycamore dị ka akụkụ nke 404th Chemical Brigade, haziri na 1 July 1989 ma rụọ ọrụ na Septemba nke afọ ahụ. Ọ gụnyere 244th Chemical Company (Smoke) na Rockford na 444th Chemical Company (Decontamination) na Freeport, na nke ikpeazụ ya bụ Detachment 1 na Galva. Mgbe ha lọtasịrị site na ọzụzụ oge ọkọchị na Fort McCoy n'ọnwa Ọgọstụ nke afọ 1993, a kpọkọtara isi ụlọ ọrụ battalion nke mmadụ 62 maka ọrụ enyemaka ide mmiri n'akụkụ Osimiri Mississippi na Quincy na nzaghachi maka oke iju mmiri nke afọ 1993
Ọ dị mma. A kpọgara ya na Machesney Park na 1 Ọktoba 1995; ụlọ ọrụ Sycamore were batrị C, nke abụọ, 122nd Field Artillery. E mebiri battalion ahụ n'ụzọ iwu site na iwu dị irè na 1 Septemba 1997 yana ndị agha.