US Navy Dinner Dress Blue Jacket of Frederick Becton Patriots Point Naval & Maritime Museum Foraml Mermaid One Shoulder Royal Blue Satin Prom Dress Evening Dress Dinner Dress Whites for the Navy Ball in Singapore in 1996. 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. Naval Reserve c1923 Cadet's "Evening Dress, Blue" Jacket Uniform: Tropical dinner dress blue, Navy enlisted men, ranks E 1 through E 6. Country: Unknown Stock Photo Alamy