A gold color metal and enamel device 1 1/16 (2.70cm) in height overall consisting of a gold grizzly bear's head on top of a white vertical oblong charged with a black ermine spot, and radiating from the sides of the oblong four diagonal orange lightning flashes, two on each side, all in front of the gold horizontal oval scored with rays and enclosed by a gold scroll folded at the sides, inscribed at the left "FIRST" and the right "FAST" and in base "FLEXIBLE" in black letters.
Orange and white are colors used for the Signal Corps. The white oblong, a heraldic billet, refers to correspondence and together with the flashes denotes the swift communication facilities provided by the Battalion. The grizzly bear denotes the organization's allotment to the Missouri Army National Guard. The ermine spot refers to the unit's location at St Joseph, which was founded by a French fur trader. Additionally, the vertical oblong connotes "1" or "First," the flashes signifying "Fast," and the rays in every direction refer to "Flexible" which together allude to the Battalion's motto.
The distinctive unit insignia was approved on 8 Dec 1970.