us navy dress blues products for sale eBay Us Navy Dress Uniforms TikTok 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 In honor of #Navy250, we're looking at how uniforms have evolved. From the dress coats of the War of 1812 to today's modern dress blues, the Navy's tradition of professionalism endures.