Framed U.S. Navy Evening and Dinner Dress Blue Uniforms 1967 by Hugh Charles McBarron Unusual Navy enlisted formal uniform (ATC) NAVAL & SEA SERVICE UNIFORMS U.S. Militaria Forum File:081107 N 9999X 002 U.S. sailors wear the Navy Working Uniform (NWU) at Naval Air Station Oceana.jpg Wikimedia Commons 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 Original Production Quality Blue Naval Officer Adult Uniform Buy Medium