Marine Corps Dress Blues Ornament Marines Gear 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 Uniforms 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 24 Dress blue uniform, Us marine corps Images: PICRYL Public Domain Media Search Engine Public Domain Search Historic uniform change for female Marines; 'there will be no doubts that they are U.S. Marines in the dress blue uniform' > Defense Logistics Agency > News Article View