Elegant Navy Blue Off Shoulder Cape Sleeves Evening Dress SS111 Navy Blue 10 U.S. NAVY MALE OFFICER DINNER DRESS BLUE JACKET UNIFORM 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 File:U.S. Navy FMF corpsman in dinner dress blue jacket uniform, 2016.jpg Wikimedia Commons Navy Uniforms: Men's Dinner Dress Blue Jacket, Officer. 1984 Uniform Regulations, Page 3 4 PICRYL Public Domain Media Search Engine Public Domain Search Formal Evening Dress Sheath Navy High Neck Maxi Dress with Slit chiclody