Army Service Uniform: Out with the old, in with the blue Article The United States Army Marine Corps Dress Blues "A Style Guide" SOFREP United States Marine Corps Dress Blues Uniform History in the Making 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 DVIDS Images II MEF HQ Group Navy Dress Blue uniform inspection. [Image 1 of 8]