Background Trimming (Oval) Description
On a scarlet oval shaped embroidered item edged with a 1/8 inch (.32cm) scarlet border, 2 1/4 inches (5.72cm) in width and 1 3/8 inches (3.49cm) in height, with three yellow pie sections radiating from the center configuring a "Y" and ending at the overedge stitching.

History
The background trimming was approved on 9 Aug 2000.

Source: The US Army Institute of Heraldry