File:U.S. Navy evening and dinner dress blue uniforms, c. 1967.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 Elegant Navy Blue Off Shoulder Cape Sleeves Evening Dress SS111 Navy Blue 10 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