American Legion Post 16 and Post 415, Sons of the American Legion Post 16, 40 and 8, Military Order of the Purple Heart Post 741, and VFW Posts 8720 and 7286 participated in a Memorial Day ceremony Monday at the St. Tammany Justice Center in Covington. Keynote speaker for the event was Col. Murphy Neal Jones, a Vietnam veteran, former prisoner of war and recipient of many awards, including the Silver Star and Purple Heart.