VINTAGE USAF US Air Force 2nd Lieutenant 2LT Officer Mess Dress Shoulder BoardsVINTAGE USAF US Air Force 2nd Lieutenant 2LT Officer Mess Dress Shoulder Boards This is a genuine, vintage pair of U. S. Air Force (USAF) officer mess dress shoulder boards. These high quality uniform accessories feature the rank insignia for a Second Lieutenant (O 1 pay grade) and were designed to be worn on the formal black mess dress jacket. Item Details Service Branch: United States Air Force (USAF) Rank: Second Lieutenant (single gold bar