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 Marlow White Navy Blue Military Uniform for Men (Size 39S) Left, Dinner Dress Blue Jacket uniform for women CHIEF PETTY Officers. Right, Dinner Dress White Jacket uniform for women officers PICRYL Public Domain Media Search Engine Public Domain Search U.S. Naval Reserve c1923 Cadet's "Evening Dress, Blue" Jacket Elegant A line Straps Tulle Navy Blue Prom Dresses Formal Evening Dres PreppyDress