USMC MALE ENLISTED BLUE DRESS BLUE WHITE DRESS UNIFORM ("A" AND "B") Directorates and departments across #NMRTCSanDiego have been conducting uniform inspections for the shift from summer whites to Dress Blues. The Navy's Dress Blue uniform, a timeless symbol of maritime tradition, evokes centuries U.S. Coast Guard Auxiliary, Casco Bay Flotilla 2 1 1NR, Uniforms, Service Dress Blue Dinner U.S. NAVY ENLISTED SERVICE DRESS BLUE UNIFORM (E1 E6)