The Commandant of the Marine Corps, General Carl E. Mundy, wearing a dress blue uniform, speaks to a crowd in front of Marines in formation, during the grand opening of the Marine USMC Uniform and Civilian Equivalencies USMC Uniform and Civilian Equivalencies Did you know? The Marine Corps' Dress Blues is the only uniform in the U.S. military designated to include the red, white, and blue colors of the American flag. This distinctive uniform Revisiting Corps Values: History of the Distinctive Dress Blue Uniform Dress Blue Alphas=Marine Corps Ball