Original US Army 9th Infantry Division (9th ID) subdued patch. OD and Black embroiderey. The 9th Infantry Division fought in Vietnam from 1967 to the summer of 1969, when the 1st and 2nd Brigades were withdrawn. The 3rd Brigade remained in Vietnam, under the control of the 25th Infantry Division, until October 1970. Genuine US Army surplus, Made in the USA, in New, Unissued condition.