Insignia Description
A silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall, consisting of a stylized silver Philippine sun superimposed by a silver and orange lightning flash crossed diagonally, overall a lozenge divided crosswise silver and orange bearing another lozenge divided crosswise orange and silver; at top an arced silver scroll inscribed "NEVER" and at bottom an arced silver scroll inscribed "BETTERED," all in black letters and overall at center a gold sea lion.

Symbolism
Orange and white are colors traditionally associated with the Signal Corps. The flashes and lozenges in alternating colors refer to versatility, multiple capabilities and the unit's heritage of circuit patching and switching. The gold sea lion and Philippine sun, adapted from the seal of the President of the Philippines, commemorate the Philippine Presidential Unit Citation awarded to the Battalion for service in World War II. The sea lion also alludes to Manila and refers to campaign participation at Luzon.

History
The distinctive unit insignia was approved on 8 February 1968. It was amended to revise the description and symbolism on 15 June 1992.

Source: The US Army Institute of Heraldry