US Marine Corp Blue Dress Uniform Stock Vector Illustration of uniform, guard: 22116622 Lemon Print Shirtdress & It's Not Over Till We Say It's Over U.S. MARINE CORPS UNIFORMS QUICK REFERENCE VISUAL GUIDE 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.