File:US Navy 080807 N 7090S 012 Yeaoman (SW) 1st Class Dru Maclin 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 My Navy Dress Blues after almost 10 years of service. Most of my service time was spent in the 90s. : r Medals Original U.S. WWI US Navy Gunners Mate Service Dress Blue Uniform Set International Military Antiques United States Navy Service Dress Blues Uniform Lieutenant History in the Making