Long Sleeves Glitter Royal Blue Wedding Guest Dress with Split 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 A Line Satin Evening Dress with Pockets CD337 Sparkly Gowns Elegant Sydney Navy Maxi Dress Perfect for Formal Events & Weddings Large