On a red shield with a black diagonal band from upper right to lower left a white scale, all within a 1/8 inch (.32 cm) black border. Attached above a white scroll edged with a narrow black border and inscribed "LINCOLN" in red letters. The overall dimensions are 3 1/2 inches (8.89 cm) in height by 2 1/2 inches (6.35 cm) in width.
Red and black are the school colors. The scale of justice symbolizes equality and recalls the achievements of the school's namesake, Abraham Lincoln. The scale also reminds the cadets of their school motto "ABE AND I" and to model their ideals after the great emancipator.
The shoulder sleeve insignia was approved 26 November 1996.