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 USMC MALE OFFICER BLUE DRESS BLUE WHITE DRESS UNIFORM ("A" AND "B") Dress blues from the 1920s shed light on the inter war years aboard Quantico > Marine Corps Base Quantico > News Article Display Military Marine Corps Dress Blues NEW (Never Mercari