A silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of the upper part of a masoned silver tower embattled with four merlons and bearing in base a silver bursting buckeye burr with brown center and a green leaf to base on each side, and radiant from the burr above the leaves five scarlet arrows, the middle arrow extended to the tower top; a three-lobed scarlet scroll with top arched above the tower inscribed DUTY, and extended in back of the tower on the sides and across the base inscribed SPIRIT on the left and HONOR on the right, all letters silver. At the top, the area between the scroll and tower is pierced.
Scarlet and white (silver) are the colors used for the Corps of Engineers. The organizations five campaign credits for service in Europe, World War II, are indicated by the five arrows. The arrows which also denote the weapons supply and maintenance service of the Ordnance unit from which the Group descended further connote the engineer combat aspect of the Group. The tower signifies the engineering skill of the unit in constructing military fortifications. The bursting buckeye burr refers to the organizations allotment and the crest for units of the Ohio Army National Guard. Additionally, the vertical extended arrow, the three-lobed scroll and the four merlons on the tower connote the numerical designation (134) of the Group.
The distinctive unit insignia was approved on 1 November 1971.