WEDTREND Women Sparkly Navy Prom Dress Satin A Line V Neck Formal Dress with Sequins Elegant Navy Blue Off Shoulder Cape Sleeves Evening Dress SS111 Navy Blue 10 Navy Uniforms: Men's Dinner Dress Blue Jacket, Officer. 1984 Uniform Regulations, Page 3 4 PICRYL Public Domain Media Search Engine Public Domain Search 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