DVIDS Images II MEF HQ Group Navy Dress Blue uniform inspection. [Image 4 of 8] 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 100% Merino Wool Navy Men's Service Dress Blue Uniform Set Nate Woodard Original Production Quality Blue Naval Officer Adult Uniform Rent Medium Female Officer Full Dress Blue New GI Woman's Navy Service Dress Blues Jumper Size 10JKT