ity of embroidery machinery for production of various types of textile insignia. During the Vietnam era the policy governing the wear of subdued insignia as well as full-color items was established.
Distinctive insignia of metal and enamel are authorized for separate battalions and higher echelons. These insignia may be traced to the use of metal and enamel badges authorized to be worn instead of the cloth badges during the War with Spain. The type of distinctive insignia currently in use was first authorized during the 1920s for regiments and some other units. As in the case of shoulder sleeve insignia the authorization was expanded as changes in organization of the Army took place. The designs are based on symbols reflecting the organization's lineage, battle honors, traditions, and mission. Usually they incorporate the organization's motto, which is often of an idealistic nature.
Shoulder sleeve and distinctive insignia worn on the uniform and the distinguishing flags are highly visible items of identification. They are significant factors in Army esprit de corps.
