Beret Flash Description
On a green shield-shaped embroidered item with a semi-circular base edged with a 1/8 inch (.32cm) yellow border, 2 1/4 inches (5.72cm) in height and 1 7/8 inches (4.76cm) in width overall, a yellow vertical band 9/16 inch (1.43cm) in width.

History
The Flash was approved 20 May 1982.

Source: The US Army Institute of Heraldry