Blue Dress "C" USMC Uniform Guide Uniforms of the United States Marine Corps Wikipedia 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 1950s era US Marine Corps dress blue uniform 39SX US MARINE DRESS BLUE UNIFORM JACKET BLOUSE LANCE CORPORAL E 3 LCPL PIN UP