I see Marines both wear blue and white pants for full dress uniforms. In which case they use which? : r uniformporn Bravos Blue Coat Usmc Enlisted Dress Blues Blue Dress USMC Uniform Guide YOUTH MARINE DRESS BLUES UNIFORM Walmart.com U.S. Military Dress Uniforms by Branch (Updated 2026) 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 Original U.S. WWI USMC Dress Blues Corporal Uniform with Cap and Photo