U.S. NAVY ENLISTED SERVICE DRESS BLUE UNIFORM (E1 E6) File:US Navy 080730 N 7090S 004 Personnel Specialist 1st Class Howard Williams models the new E 6 and below Service Uniform (SU). The SU is for year round wear and replaces summer white and winter blue uniforms.jpg Uniform Shift Alert Naval District Washington will shift to the winter uniform as of 1 October 2025. Whether you work ashore in the National Capital Region or are visiting different U.S. Naval Academy Uniforms: What Each Means Us Navy Winter Uniform REMINDER: Winter Uniform Shift. Winter uniform shift for the Mid Atlantic Region is split into two zones. If you are in Zone 1 (Virginia and North Carolina), winter uniform shift is not until