The newly introduced National Defence College insignia which recognizes the Senior Military and Police members who have successfully completed the National Defence Course locally or overseas was conferred to the Commander of the Air Force, Air Marshal Sudarshana Pathirana by Commandant National Defence College, Major General Amal Karunasekara today (16th  September 2022) at Air Force Headquarters.  The event was attended by the Senior Directing Staff of the Air Force at the National Defence College, Air Commodore Manoj Keppetipola.