Rare Vietnam Era US Navy Cryptologic Technician 3rd Class (CT3) Enlisted SPOOKS Dress Blue Uniform Vintage Ordnance Company, LLC 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 US Navy Dress Blue Crackerjack Jumper Top, Neckerchief, Ribbons and Hat 40R #496549994 Enlisted Gold on Blue Hashmarks Service Stripes Male Size USAMM