Description
The letters “O H” blue upon a red background, the “O” forming the elliptical outline of the device long axis to be 2 5/8 inches (6.67 cm) and short axis 1 13/16 inches (4.60 cm). The letter “H” within the “O”. The letters “XXX” on the bar of the “H”. The insignia to be worn with long axis vertical.

Symbolism
The letters “O H” are the initials of “Old Hickory” and the “XXX” is the Roman notation for the number of the organization.

Background
The shoulder sleeve insignia was originally approved for the 30th Division on 23 October 1918. It was redesignated for the 30th Infantry Brigade on 20 February 1974. The insignia was redesignated effective 1 September 2004, with description updated, for the 30th Armored Brigade, North Carolina Army National Guard. It was amended to correct the dimensions on 12 April 2013. (TIOH Dwg. No. A-1-95)