MC Dinner Dress Blue Jacket 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 Left, men's Formal Dress uniform with Blue Mess Jacket and white tie for officers. Center, men's U.S. Naval Reserve c1923 Cadet's "Evening Dress, Blue" Jacket U.S. Naval Reserve c1923 Cadet's "Evening Dress, Blue" Jacket Well done Kodiak Chapter & Branch!