Trooper Clothing Youth Marine Dress Blues Uniform Marine Female Dress Blues November Company graduated Recruit Training today in the new female Blue Dress Coat; the first company at MCRD PI to do so. Read the below graphic to see some differences between the 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 Trooper Clothing Youth Marine Dress Blues Uniform