Female Officer Evening Dress Uniform Package The MARINE Shop Male Officer Formal Dress Marine Corps Captain in dress blue uniform, World War II Painting by Hollem, Howard R. . Pixels Blue Dress USMC Uniform Guide 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 Our enlisted Marines are just two days away from becoming Second Lieutenants. Their years of hard academic study and exemplary service in the fleet have prepared them to lead Marines as officers.