WWII Marine dress blue uniform, second division.Roy Berry collection . USMC MALE ENLISTED BLUE DRESS BLUE WHITE DRESS UNIFORM ("A" AND "B") 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 Guide to Marine Dress Blues: Iconic USMC Uniform USMC Dress Blue Uniform WWII Impressions, Inc.