Authorised 24 February 1942
A Gold color metal and enamel device 1 5/32 inches (2.94 cm) in height overall consisting of a shield blazoned: Azure, in pale a mullet and a flaming torch Or. On a canton Argent a Roman numeral "X" of the first superimposed on a Roman sword in scabbard palewise point down Or.
This Regiment was organized in 1917 at Fort Benjamin Harrison, Indiana, from the 10th Infantry. The field is blue, the Infantry color. The charge, a gold torch and star, is taken from the flag of the State of Indiana, while the badge of the 10th Infantry is shown on the canton.
The distinctive unit insignia was originally approved for the 46th Armored Infantry Regiment on 24 February 1942. It was redesignated for the 46th Armored Infantry Battalion on 30 November 1943. The insignia was redesignated for the 46th Infantry Regiment on 2 January 1959. Coat of Arms