Original U.S. WWI USMC Dress Blues Corporal Uniform with Cap and Photo International Military Antiques Sold at Auction: POST WW1 WWI USMC MARINE CORPS UNIFORM Rare WWI US Marine Corps Early Dress Blue Decorated Wool Uniform #252559030 WWI Marine uniform with the 11th Marine Regiment, 5TH Marine Brigade patch. 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