U.S. Navy Blue Dinner Dress Jacket Works Intrepid Museum 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 Floor Length Navy Blue Dresses Windsor A Line Navy Blue Organza Formal Evening Dress V Neck Lace Prom Dress with Belt ARD1006 Vintage US Navy Commander Uniform Dinner Dress Blue Jacket Men S Made USA Navy Uniforms: Men's Dinner Dress Blue Jacket, Officer. 1984 Uniform Regulations, Page 3 4 PICRYL Public Domain Media Search Engine Public Domain Search