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 Women's Slim Fit Square Neck Long Sleeve Knit Maxi Dress, Bodycon Sweater Dress USMC Dinner Dress Uniform barcut_militaria_more Flickr Our enlisted Marines are just two days away from becoming Second Lieutenants. Their years of hard academic study and exemplary service in the fleet have prepared them to lead Marines as officers.