A Silver color metal and enamel device 1 3/16 inches (3.02 cm) in height overall consisting of a shield blazoned: Vert, a torch Argent, flamant and winged Or, on a chief of the second, two lozenges of the first and thereon a knight's helm Proper garnished, plumed and mantled Green. Attached below the shield a Silver scroll turned Green and inscribed "FIGHTING KNIGHTS" in Green letters.
Green and white (silver) are the school colors. The winged torch suggests the cadets' curriculum of academics and athletics. The diamonds reflect the school's location in Delaware, the "Diamond State". The knight's helm alludes to the school mascot, the "Green Knight" and represents the cadets' dedication to school and community.
The shoulder loop insignia was approved on 8 December 2004.