Insignia Description
A Gold color and metal enamel device 1 inch (2.54 cm) in height consisting of a shield blazoned: Azure, a bend Or, on a chief Argent a quatrefoil of the first charged with a fleur-de-lis of the second. Attached below the shield is a scroll inscribed "LIBERTY AND RIGHTS" in Blue.

Symbolism
The shield is blue for Infantry, the original designation of the unit. The gold bend is taken from the arms Alsace; the 349th Infantry served as a unit of the 88th Division during World War I, where the division wore the blue quatrefoil. The fleur-de-lis indicates the regiment's baptism of fire in France. The motto is a contraction of the State motto of Iowa, where the unit originated, "Our liberties we prize and our rights we maintain."

History
The distinctive unit insignia was originally authorized for the 349th Infantry Regiment on 22 March 1926. It was redesignated for the 349th Regiment on 6 April 1999.

Source: The US Army Institute of Heraldry