This Combat Service Identification Badge is for the 18th Engineer Brigade of the United States Army. This enamel finish badge is a 2 inch pin and is ready to be worn on new dress blue Army Service Uniforms (ASUs). Can be easily attached by pin backing to securely place this badge on your uniform and meet all regulations. After service or Veterans would make a great addition to your shadow box. The 18th Engineer Brigade is a subordinate unit of the 21st Sustained Command and is headquartered in Conn Barracks in Schweinfurt, Germany. Founded in 1921 and best known for their service in Vietnam for managing all engineer operations. The 18th Engineer Brigade combat service identification badge is made and handled 100 percent in the USA.