Elegant Blue Sweetheart Strapless Corset A line Long Prom Dress, Eveni AlineBridal Marines to Pattern New Female Dress Blues After Male Style SOFREP Us Marine Corp Blue Dress Uniform Stock Vector (Royalty Free) 89258569 Shutterstock 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 Dress blues are the formal uniform worn by U.S. Marines for ceremonial occasions, official functions, and formal events, featuring distinctive dark blue coats, light blue trousers, white belts, and medals or ribbons