What are the purposes of these uniforms and when are they worn? : r USMCboot Marines at Marine Corps Logistics Base Barstow, California, undergo uniform inspections to ensure dress blue alpha uniforms are serviceable and prepared for the Marine Corps Birthday Ball Stock Photo Alamy Vintage Adrienne Vittadini Summer Dress Item #1585 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 Unpopular opinion. The alphas look nicer than the dress blues. : r USMC Adrienne Vittadini Dresses Adrienne Vittadini Blue Sheath Dress Poshmark