Insignia Description
A Silver metal and enamel device 1 1/8 inches (2.86 CM) in height overall consisting of a shield blazoned: Tenné, a crowing cock, beaked wattled jelloped and legged Azure, perched on a triangle above a mace fesswise all Argent. Attached below the shield a Silver scroll inscribed "PRIMA VOX AUDIAT" in Blue letters.

Symbolism
The colors orange and white are for the Signal Corps. The crowing cock from the arms of one of the Marne Provinces represents Signal service in the Marne in World War I. The triangle represents the Iron Triangle in Korea which the unit helped to hold, and the mace from the arms of Colmar, is for the World War II service in the Colmar pocket.

History
The distinctive unit insignia was approved on 21 January 1958.

Source: The US Army Institute of Heraldry