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 I see Marines both wear blue and white pants for full dress uniforms. In which case they use which? : r uniformporn Recruits of Delta Company attend their first uniform fitting Dress Blue Belt Teal Blue Dress With Belt Label DC Officer Blue Dress A (medals) Blue Dress USMC Uniform Guide USMC DRESS BLUE Pants Marine Corps Formal Uniform 38 Reg Blues Trousers Marines $36.00 PicClick