Authorised 3 December 1936
A Gold color metal and enamel device 1 1/16 inches (2.70 cm) in height overall consisting of a shield blazoned: Gules, on a saltire Or a winged spur of the first. Attached below the shield a Red scroll inscribed "PERFORMANCE ABOVE ALL" in Gold letters.
The shield is red for Artillery. The saltire is taken from the State flag of Alabama, the birthplace of the Regiment. The winged spur signifies that the unit was mounted.
The distinctive unit insignia was originally approved for the 84th Field Artillery Regiment on 3 December 1936. It was redesignated for the 84th Field Artillery Battalion on 12 November 1940. It was redesignated for the 84th Artillery Regiment on 28 October 1958. The insignia was redesignated effective 1 September 1971, for the 84th Field Artillery Regiment. Coat of Arms