Vietnam Combat Infantry Veteran w 9th Inf Div SSI V1 T-Shirt

During the war the division's units often served with the Mobile Riverine Force and other US Navy units that made up the Brown Water Navy. Its area of operations was in the rivers and canals of the Mekong Delta from 1967 to 1972. Operation Speedy Express was one significant operation in which the division took part during the war and was one of 22 major combat engagements with North Vietnamese Army and Viet Cong main force units as well as thousands of small contacts during this period during division's presence in Vietnam. Operating deep within the Viet Cong–controlled Delta, the 9th Infantry Division of the U.S. Army was charged with protecting the area and its population against Communist insurgents and ensuring the success of the South