Army - Vietnam Combat Infantry Veteran W Combat Medic - 2nd Bn 18th Inf 1st Inf Div Ssi Classic T ShirtSolid colored t shirts are 100% combed ringspun cotton, however, heathered colors could contain a cotton polyester blend Preshrunk to minimize shrinkage Double needle sleeve and bottom hems. 2nd Battalion, 18th Infantry Regiment was stationed in Baumholder, Germany as part of the 170th infantry Brigade Combat Team (Separate) and inactivated with the brigade in 2012.