CSAF defers heritage coat decision, focuses on current uniform issues > Peterson and Schriever Space Force Base > Display 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 Jelinski Hall: Men, women united by uniform, single standard > Air National Guard > Article Display USMC Uniform Guide Know when to wear your uniform > U.S. Marine Corps Forces Reserve > Submit MARFORRES News