I see Marines both wear blue and white pants for full dress uniforms. In which case they use which? : r uniformporn Male Officer Blue Dress Package The MARINE Shop U.S. Navy Service Dress Uniform at Boston Costume Uniform Care Guide Dress Uniform ROVMC Blue White Dress Uniform Class A (Enlisted) by DanielRodri on DeviantArt Stripe Summer Dress Blue Angels School Uniform Pinner London