Army Service Uniform: Out with the old, in with the blue Article The United States Army US Army green service uniform jacket and service medals worn by Colin L Powell. A US Army green service uniform jacket (a) with service medals and pins (b v) worn by Colin L. What's the real reason US Army dress blue pants are a lighter blue than the jacket? I'll give you a hint, it's not because of the cavalry. #armynavyvintage #vintage #history #armyhistory #clothinghistory @ Us Army Dress Blues Jacket Etsy Original U.S. Pre WWI Model 1902 Infantry Uniform Jacket with Aiguille International Military Antiques