<Li> 2015: Army green Class "A" uniform officially retired; blue ASU worn army - wide after October 1 . </Li> <P> In the early days of the U.S. Army, the uniform worn in combat was essentially the same as that worn for everyday duties . This was the common practice with most armies of the time . This changed in modern times, as field uniforms were developed which were more suited for battle . </P> <P> During the Civil War era, army uniforms were relatively simple . Typically, the same uniform served as a garrison uniform and as a combat uniform . Combat soldiers in the Civil War wore a standard dark blue coat, just like personnel in garrisons or in army offices and headquarters . In the first half of the war, many states supplied their regiments with uniforms, resulting in distinctive jackets and buttons . Rank was indicated by a shoulder strap for officers, and chevrons on the sleeves for non-commissioned officers . Branch or specialty could be indicated by the color of the enlisted badge of rank, or the background color for officers' shoulder straps . Uniform standards were relaxed during the war years, especially on campaign, and men often wore a variety of hats in the field . </P> <P> The 1899 Army Uniform Regulations provided for a cotton khaki uniform for field service, drawing on the experience of the Spanish--American War when both blue and drab clothing had been worn . From 1902 to 1917, the army had two uniforms: a service uniform of wool olive drab Melton cloth for use by soldiers in the field, and a blue dress uniform used for ceremonies and off - post wear by enlisted men . </P>

What color is the us army dress uniform