US Navy Dress Blue Crackerjack Jumper Top, Neckerchief, Ribbons and Hat 40R #496549994 Enlisted Gold on Blue Hashmarks Service Stripes Male Size USAMM 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 Officer Service Dress Blue Coat Works Intrepid Museum