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 Uniform: Dinner dress blue, Navy enlisted women, ranks E 1 through E 6 PICRYL Public Domain Media Search Engine Public Domain Search 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 Evening Dress USMC Uniform Guide