Insignia Description
A silver color metal and enamel device 1 1/8 inches (2.86cm) overall consisting of a shield blazoned: Per fess dancetté abased of two Argent and Tenné, issuant from base overall a cubit arm palewise Proper grasping seven lightning flashes three and four Sable, in chief a Korean temple Azure. Below the shield a motto scroll inscribed "VOICE OF COMMAND" in black letters.

Symbolism
Orange and white are the colors used for the Signal Corps. The two mountains are symbolic of the mountainous area of the Pacific in which the unit provided communications for the 1st Cavalry Division during World War II. They also represent the invasions of the Bismark Archipelago and Leyte. The arm grasping the lighting flashes alludes to the mission of the unit enabling information and orders to be sent and received. The 7 lightning flashes commemorate the seven decorations awarded the unit for services in World War II and Korea. The temple refers to actions in Korea during the Korean War.

History
The distinctive unit insignia was approved on 28 Oct 1953.

Source: The US Army Institute of Heraldry