Also known as a unit crest or DUI, a Distinctive Unit Insignia is worn by all Soldiers (except General Officers) in units that have been authorized to be issued the device. It is worn centered on the shoulder loops of the Army Green Service Uniform (AGSU) and the blue Army Service Uniform (ASU, Enlisted only) with the base of the insignia toward the outside shoulder seam. DUIs are not worn on the Dress variations of either uniform, however.
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The 107th Engineer Battalion Distinctive Unit Insignia was first approved for the 107th Engineer Combat Battalion on 17 June 1952. It was later redesignated for the 107th Engineer Battalion with a retroactive effective date of 1 March 1953.
Red and white, colors of the Corps of Engineers, feature prominently in the 107th Engineer Battalion DUI. In the chief (upper third) of the shield portion of the insignia is a calumet, a ceremonial Native American pipe used in ceremonies signifying peace, war and treaties; here it symbolically refers to the unit’s origin as the Battalion of the Calumet Light Guard at Calumet, Michigan. The pipe’s three feathers stand for the fighting branches of the Army—Artillery, Infantry, and Armor—the Engineers support.
A floating bridge running horizontally across the shield represents the bridge in the German city of Honingen near Remagen that the Battalion constructed over the Rhine River during World War II. A fleur-de-lis in the lower right is a symbol of wartime service in France during World War I, and the Spanish castle in the lower left is taken from the campaign medal of the Spanish-American War, symbolizing the unit’s service in that conflict. The unit motto of “Good As Done” expresses the confidence required to complete many of the types of missions assigned to Engineers, especially those that must be achieved in combat situations.