On a dark blue field with red fringe at sides and bottom, above the image of the shoulder sleeve insignia for the Guam Army National Guard, a tri-folded red scroll folded back on itself turned light blue inscribed 721ST ARMY BNAD in dark blue letters and below a stylized image of a triple arch of the Spanish colonial period taken from the distinctive unit insignia, further down representations of the Latte stone pillar etched with a harp surrounded by a pointed shield shape of the shoulder sleeve insignia in red.