Marine corps dress blue a hi res stock photography and images Alamy requesting that guests wear a specific color is not the same thing as setting a dress code! and btw theres not a dress code that requires certain colors so if you DO want your guests in a specific A Marine inspects Marines in their dress blue delta uniforms. PICRYL Public Domain Media Search Engine Public Domain Search 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 The most important dress codes: Casual to Formal BLACKSOCKS