Uniforms of the United States Navy Wikipedia United States Navy Hawaii Five O Wiki Fandom 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 Second Life Marketplace :AW: Men's Navy Service Dress Blue Commander Mar Royal Blue A line Scoop Neck Rhinestone Long Prom Dress with Feathers FancyVestido A salute on #NavyDay to the men and women of the @USNavy who serve our country. We couldn't be prouder to make your Service Dress Blues here in the USA. #BrooksBrothers #MadeinUSA