Pair of 2 U.S. Navy Officer Service Dinner Dress Blue Uniform Coat Jacket 46S eBay Service Dress Blue (Yankee) uniform was for "warm weather afternoon and early evening functions such as yachting parties." The uniform was formally phased out in 2011 : r navy Usmc Men's Officer Evening Blue Jacket Men's Evening Dress Military Shop Your Navy Exchange Official Site Modest Navy Blue Evening Dress 25888L Neva style.com Uniform: Dinner dress blue, male Navy chief petty officers PICRYL Public Domain Media Search Engine Public Domain Search U.S. Naval Reserve c1923 Cadet's "Evening Dress, Blue" Jacket