USMC MALE ENLISTED BLUE DRESS BLUE WHITE DRESS UNIFORM ("A" AND "B") 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 operates under the 3rd Marine Aircraft Wing of the U.S. Marine Corps. During the Women Marines centennial event at Marine Corps Air Station Camp Pendleton, a Marine presents Usmc Dress Blue Tunic 35 Long