Left, men's Formal Dress uniform with Blue Mess Jacket and white tie for officers. Center, men's MC Dinner Dress Blue Jacket DVIDS Images CPO Dress Mess Blue Uniform [Image 3 of 10] Service Dress Blue (Yankee) uniform was for "warm weather afternoon and early evening functions such as yachting parties." The uniform was formally phased out in 2011 : r navy Well done Kodiak Chapter & Branch! US Navy Male Officer Dinner Dress Blue Jacket used 40 Regular (34 Sleeve) Black (USNA Flying Cross)