Wreaths Throwback Thursday! *USMC Dress Uniforms* The most recognizable uniform of the Marine Corps is the Blue Dress uniform, often seen in recruiting advertisements. It is often called Dress Blues or USMC Male Enlisted Dress Blue Coat Private First Class Chevrons Second Tour Uniforms Blue Dress "D" USMC Uniform Guide 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