Disney Princess Blue Dresses Halloween Costumes Sky Blue Sweetheart Cutout Satin Mermaid Long Formal Dress with Slit What Color Were These Disney Princess Dresses? US Navy Dinner Dress Blue Jacket of Frederick Becton Patriots Point Naval & Maritime Museum 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