From the Collection! A double breasted, Zumwalt era dress blues jacket worn by an Equipment Operator 1st class. In the early 70s, there were talks on making a change to the enlisted uniform. An U.S. NAVY ENLISTED SERVICE DRESS BLUE UNIFORM (E1 E6) Uniform: Full dress blue, Navy enlisted men, ranks E 1 through E 6 PICRYL Public Domain Media Search Engine Public Domain Search 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.