Uniform: Tropical dinner dress blue, Navy enlisted men, ranks E 1 through E 6. Country: Unknown Stock Photo Alamy Navy Blue Short Evening Dress Homecoming Dress Short Party Dress fg775 formalgowns 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 U.S. Navy Blue Dinner Dress Jacket Works Intrepid Museum Navy Blue Floral Satin V neckline Long Party Dress, Blue Evening Dress on Luulla