Not this year! We're going ultra-casual after more than 35 years... The Illinois All Academy Ball, a tradition for more than 35 years, is a special occasion where Cadets, Midshipmen, their friends and family enjoy a formal military ball that includes dinner and dancing. Cadets and Midshipmen wear their dress uniforms; their guest where formal dress: ball gown, formal party dress, tuxedo, or formal party suit. Examples of dress attire are displayed below.