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 Dark Blue Tulle Sequin High Low Prom Dress, Blue Evening Dress US 4 Dark Blue Navy Blue Tulle Prom Dresses Mid Length Evening Dress FD3186 Viniodress Navy Off the Shoulder Short Sleeve Gown 37674 Jovani Personalized US Navy 250th Years Of Service Custom Figure Enlisted Din DVIDS News World War II veteran presented Presidential Unit Citation