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 Classy Royal Blue Long Mermaid V Neck Prom Dress Spaghetti Straps Dbrbridal Unique Long Halter Royal Blue Prom Dress With Beaded Bodice #H76055 GemGrace.com Royal Blue Sequins Mermaid Luxury Rhinestones Formal Dress Strapless Long Prom Dress with Rhinestone Side Slit PromGirl Rowane Royal Blue Corset Rhinestone Sheer Lace Prom Dress Azazie