The term "dress blues" refers to a military uniform worn for formal occasions. The dress blues uniform is worn by various branches of the military, including the Army, Marine Corps, Navy, and Historic uniform change for female Marines; 'there will be no doubts that they are U.S. Marines in the dress blue uniform' Blue Party Dresses Hello Molly US Women White & Blue Floral Printed Square Neck Cutout Tie Up Back Crepe Pleated A Line Maxi Dress Berrylush Military Ball Gowns, Military Prom & Marine Ball Dresses Couture Candy 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