Elizabeth K GL1506 Prom Dress Navy NewYorkDress 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 Uniform: Dinner dress blue jacket, male Navy officers PICRYL Public Domain Media Search Engine Public Domain Search Cameron Blake One Shoulder Peplum Evening Dress CB207 File:U.S. Navy FMF corpsman in dinner dress blue jacket uniform, 2016.jpg Wikimedia Commons