Insignia Description
A Gold color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of the shield adapted from the coat of arms and blazoned as follows: Checky Azure (teal blue) and Or a horse rampant Sable fimbriated of the second. Attached below, an arcing Teal Blue motto scroll doubled to the sides inscribed with the words "NOSCE HOSTEM" in Gold letters

Symbolism
Teal blue and yellow are the colors formerly used for Military Intelligence Battalions. The black horse alludes to Stuttgart, Germany, the place of organization of the unit. The horse and checky field combined, symbolic of a chess board, refer to the strategic and tactical functions of an intelligence unit.

History
The distinctive unit insignia was approved on 22 December 1959. It was amended to update the description and symbolism on 2 January 1987.

Source: The US Army Institute of Heraldry