Army - 4th Battalion, 18th Infantry, Berlin Brigade - T Shirt - Premium Color:Military Green They work alongside combat units

They work alongside combat units

from the assets of the disbanded 22nd Armored Division of the United States Army Organized Reserves

Command Master Chiefs and Fleet Master Chiefs

part of the 6th Army Group

They defined it

Army - 4th Battalion, 18th Infantry, Berlin Brigade - T Shirt - Premium Color:Military Green They work alongside combat units4th Battalion, 18th Infantry was part of the Berlin Brigade stationed in West Berlin in the 1960s along with the 2nd and 3rd Battalions, 6th Infantry. West Berlin was 100 miles behind the Iron Curtain in East Germany surrounded by an estimated force of 270,000 Russian and East German troops.