Uniform: Dinner dress white jacket, male Navy officers NARA & DVIDS Public Domain Archive Public Domain Search Uniform: Tropical dinner dress blue, Navy enlisted women, ranks E 1 through E 6 PICRYL Public Domain Media Search Engine Public Domain Search Coast Guard Dress Uniform: Officer According to the 1975 U.S. Navy Uniform Regulations, the rarely seen Service Dress Blue (Yankee) uniform was for "warm weather afternoon and early evening functions such as yachting parties." The uniform was Male Officer Full Dress White U.S. NAVY MALE OFFICER SERVICE DRESS WHITE UNIFORM