Original U.S. Pre WWII Marine Corps Officer Named Mess Dress Uniform Dated 1929 Our uniform tells our story; it is a visual representation that honors the Marine Corps' legacy. Every stitch, button, insignia, and medal has a meaning and serves a purpose. When you wear 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 Marine Aircraft Group 39 is part of the 3rd Marine Aircraft Wing of the U.S. Marine Corps. At Marine Corps Air Station Camp Pendleton, a Marine models the evening dress uniform during