Hello, I recently got married, and during my wedding process, my sister was supposed to be a bridesmaid. now, my engagement was 9 months in length, and we told her that I would be a bridesmaid once U.S. Marine Corps Women's Dress Blue Coat Works Intrepid Museum The U.S.. Marine Corps male officer's blue dress A uniform with sword. Exact Date Shot Unknown NARA & DVIDS Public Domain Archive Public Domain Search Female Officer Dinner Dress Dress Blues Explained The Dress Blue uniform, worn by Marines, is steeped in history, with roots dating back to 1798 when the secretary of war authorized the wearing of a blue uniform