Uniform: Dinner dress blue jumper, Navy enlisted men, ranks E 1 through E 6 NARA & DVIDS Public Domain Archive Public Domain Search Jane Summers Isabella Backless Short White Rehearsal Dinner and Wedding Dress 2 White with Blush Pink Ribbon , female , adult Uniform: Dinner dress blue, male Navy chief petty officers PICRYL Public Domain Media Search Engine Public Domain Search Jane Summers Jocelyn Backless White Bridal Shower & Rehearsal Dinner Dress with Ribbon Tie 12 White with Blush Pink Ribbon , female , adult 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 Male Enlisted Dinner Dress Blue