Background Trimming (Oval) Description
On a ultramarine blue, oval shaped embroidered item with a 1/8 inch (.32 cm) border of the same color, 1 3/8 inches (3.49 cm) in height and 2 1/4 inches (5.72 cm) in width a 5/8 inch (1.59 cm) high by 1 1/4 inches (3.18 cm) wide oval silver gray.

History
The trimming was approved on 26 June 2002.

Source: The US Army Institute of Heraldry